Podcasts about Science Advances

Sponsor Details:This episode is brought to you with the support of Insta360 - the game changer in 360-degree camera technology. Capture stunning moments with the Insta360 X5, which records 8K 360-degree video. To bag a free invisible selfie stick with your purchase, head to store.insta360.com and use the promo code SpaceTime!In this episode of SpaceTime, we uncover remarkable revelations about Jupiter, lightning-induced gamma rays, and groundbreaking achievements in spaceflight.Jupiter's Magnificent PastA new study reveals that Jupiter, the solar system's largest planet, was once twice its current size and possessed a magnetic field 50 times stronger than today. Researchers, led by Konstantin Batygin, used the orbits of Jupiter's small moons, Amalthea and Thebe, to deduce these findings, providing critical insights into the early stages of planetary formation. The implications of this research could reshape our understanding of gas giants and their formation processes across the universe.Gamma Rays and LightningIn a groundbreaking discovery, scientists have detected intense flashes of gamma rays produced by lightning strikes. This phenomenon, known as terrestrial gamma ray flashes, occurs when lightning accelerates electrons to near light speeds, resulting in bursts of radiation. The study, published in Science Advances, sheds light on the high-energy processes occurring in Earth's atmosphere, enhancing our understanding of lightning's power and its effects on our planet.Precision Formation Flying in SpaceHistory has been made in Earth orbit as two spacecraft from the European Space Agency's Proba 3 mission successfully flew in millimeter-perfect formation for the first time. This precision alignment is crucial for studying the Sun's corona, allowing the two satellites to simulate a single large spacecraft. We discuss the technology behind this mission and its potential to revolutionize solar observations.www.spacetimewithstuartgary.com✍️ Episode ReferencesNature Astronomyhttps://www.nature.com/natureastronomy/Science Advanceshttps://www.science.org/journal/sciadvBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.00:00 This is Space Time Series 28, Episode 64 for broadcast on 28 May 202501:00 Jupiter's original size and magnetic field12:15 Gamma ray flashes unleashed by lightning22:30 Precision formation flying in space30:00 Science report: New contact lens technology for night vision

Can artificial intelligence transform how we navigate the most challenging dialogues on campus? Join us for a thought-provoking episode featuring philosopher and educator Simon Cullen, as he unveils his pioneering work at the intersection of education, technology, and constructive disagreement.In conversation with John Tomasi, Simon explores how open inquiry is both advanced and imperiled by disagreement, and describes his academic journey from Australia to Princeton and Carnegie Mellon. Central to the discussion is ‘Sway' an AI-powered platform developed by Simon and his team to foster rigorous, evidence-based dialogue among students on controversial topics. Sway intelligently pairs students with opposing views and acts as a “guide on the side,” scaffolding reasoning, encouraging intellectual humility, and ensuring that exchanges remain constructive and charitable. Simon shares the empirical findings from thousands of Sway-mediated dialogues, where measurable increases in students' openness, comfort, and analytical reasoning have been observed—even on divisive subjects like gender, immigration, and the Israel-Palestine conflict. In This Episode:

Estudo publicado na Science Advances apresenta um novo material desenvolvido na Suiça: é feito de cogumelos, biodegradável e pode ser ingerido.

The beginnings of our end — where the anus came from Our distant evolutionary ancestors had no anuses. Their waste was excreted from the same orifice they used to ingest food, much like jellyfish do today. Now a new study on bioRxiv that has yet to be peer-reviewed, scientists think they've found the evolutionary link in a worm with only a single digestive hole. Andreas Hejnol, from Friedrich Schiller University Jena, said he found genes we now associate with the anus being expressed in the worms in the opening where its sperm comes out, suggesting that in our evolutionary history a similar orifice was co-opted as a butt hole. Deepfake videos are becoming so real, spotting them is becoming increasingly diceyDetecting deepfake videos generated by artificial intelligence is a problem that's getting progressively worse as the technology continues to improve. One way we used to be able to tell the difference between a fake and real video is that subtle signals revealing a person's heart rate don't exist in artificially generated videos. But that is no longer the case, according to a new study in the journal Frontiers in Imaging. Peter Eisert, from Humboldt University and the Fraunhofer Heinrich-Hertz-Institute HHI in Germany, said detecting manipulated content visually is only going to become a lot more difficult going forward. Crows can use tools, do math — and now apparently understand geometryCrows are known to be among the most intelligent of animals, and a new study has explored their geometrical sophistication. Researchers including Andreas Nieder from the University of Tübingen found that crows can recognize and distinguish different kinds of quadrilateral shapes, an ability we had thought was unique to humans. The research was published in the journal Science Advances.There's gold in them thar magnetically charged neutron stars!Astronomers have discovered a new source of the universe's heavy elements — things like gold, platinum and uranium. A study led by astrophysicist Anirudh Patel found that magnetars — exotic neutron stars with ultra-powerful magnetic fields — may produce these elements in a process analogous to the way solar flares are produced by our Sun. The research, published in The Astrophysical Journal Letters, found that a single flare from a magnetar could produce the mass equivalent of 27 moons' worth of these heavy elements in one burst.It may not be big, but it's small — and stroppyYou might not expect an insect so tiny you need a magnifying glass to see it properly to be an aggressive defender of its territory, but that's because you haven't met the warty birch caterpillar. Its territory is just the tip of a birch leaf, but it defends it by threatening intruders with vigorous, if not precisely powerful, vibrations. Jayne Yack at Carleton University has been studying this caterpillar since 2008. This research was published in the Journal of Experimental Biology.Criminals beware — the microbiome leaves fingerprintsScientists have developed a new tool that can track location based on traces of the bacteria characteristic to different places. Eran Elhaik, from Lund University in Sweden, trained the AI tool using nearly 4,500 microbiome samples collected around the world from subway systems, soil and the oceans. He said they could identify the city source in 92 per cent of their urban samples, and in Hong Kong, where a lot of their data came from, they could identify the specific subway station samples were taken from with 82 per cent accuracy. The study was published in the journal Genome Biology and Evolution.

It's In the News.. a look at the top headlines and stories in the diabetes community. This week's top stories: A new Austrailian study aims to prevent type 1, the new twiist pump will integrate with Eversnse CGM as well as Libre, diabetes deaths are down in the US, Dexcom U is looking for college athletes, and more! Find out more about Moms' Night Out  Please visit our Sponsors & Partners - they help make the show possible! Learn more about Gvoke Glucagon Gvoke HypoPen® (glucagon injection): Glucagon Injection For Very Low Blood Sugar (gvokeglucagon.com) Omnipod - Simplify Life Learn about Dexcom   Check out VIVI Cap to protect your insulin from extreme temperatures The best way to keep up with Stacey and the show is by signing up for our weekly newsletter: Sign up for our newsletter here Here's where to find us: Facebook (Group) Facebook (Page) Instagram Twitter Check out Stacey's books! Learn more about everything at our home page www.diabetes-connections.com  Reach out with questions or comments: info@diabetes-connections.com Episode transcription with links: Hello and welcome to Diabetes Connections In the News! I'm Stacey Simms and every other Friday I bring you a short episode with the top diabetes stories and headlines happening now. XX A world-first human trial of a drug designed to treat the underlying cause of type 1 diabetes has begun in Australia. University of Queensland researcher Ranjeny Thomas said the experimental drug — dubbed ASITI-201 — was designed to retrain the immune system so it no longer attacks the insulin-producing pancreatic cells, known as beta cells. The drug, given as an injection under the skin, combines fragments of a protein found in the beta cells of people with type 1 diabetes and vitamin D to calm the immune response. She said if effective, the drug would initially be given to patients with type 1 diabetes as soon as possible after diagnosis to preserve remaining pancreatic cells and reduce the amount of insulin needed. But eventually, if screening programs can be developed to pick up people at risk of developing type 1 diabetes, it may be possible to "prevent the progression of the disease altogether". The first in-human trial of 36 participants will test the safety of the drug, but blood tests will also determine the impact of the therapy on a patient's immune system and glucose tolerance. https://www.abc.net.au/news/2025-04-29/type-1-diabetes-drug-trial-auto-immune-disease-science/105223022 XX   Diabetes deaths in the U.S. have fallen to some of the lowest rates in years, according to new preliminary figures published by the Centers for Disease Control and Prevention, reversing a surge in mortality that was seen during the COVID-19 pandemic.   There were 26.4 deaths per 100,000 people from diabetes, according to early death certificate data for the third quarter of 2024 published this month by the CDC's National Center for Health Statistics.   Death rates from diabetes peaked in 2021, according to CDC figures, at 31.1 deaths per 100,000 people for that year. Diabetes was the eighth leading cause of death in 2021. The CDC says the link between COVID-19 and diabetes may be to blame for that increase.   "Data show an increase in mortality rates for all people during the COVID-19 pandemic, and research shows that people with underlying conditions, including diabetes, are more likely to become very sick from COVID-19 and have a higher risk of hospitalization and death," Christopher Holliday, head of the CDC's Division of Diabetes Translation, told CBS News in a statement.   Holliday added that research shows the pandemic may also have made it harder for Americans to properly manage the disease, ranging from interruptions to physical activity to disruptions to routine medical care diagnosing and treating the disease.   https://www.cbsnews.com/news/diabetes-deaths-lowest-levels-years-early-cdc-figures/ XX Big news for the Eversense CGM – they have their first pump partner. Sequel Med Tech says the twist pump will integrate with Senseonics Eversense 365 continuous glucose monitor (CGM). This collaboration would make twiist the first AID system compatible with Eversense 365, the world's first and only one-year CGM. Sequel and Senseonics say they have already started their work to integrate the latest-generation, 365-day implantable sensor with twiist. They expect to make the integrated offering available in the third quarter of this year. This marks the second CGM integration for Sequel, which partnered with Abbott and its FreeStyle Libre platform earlier this year. This week we also got a peek at the packaging and delivery of the twist as the first people posted about wearing it. We'll follow up and learn more about this newest insulin pump in the us. Senseonics, meanwhile, brought the first year-long CGM to market last year, launching Eversense 365 with its global distribution partner, Ascensia Diabetes Care, in October 2024. The system also received clearance as an integrated CGM (iCGM) system, meaning it can work with compatible medical devices. Those include insulin pumps as part of automated insulin delivery systems. https://www.drugdeliverybusiness.com/sequel-senseonics-integrate-cgm-insulin-pump/ XX Medtronic has announced the U.S. Food and Drug Administration (FDA) approval for the Simplera Sync sensor for use with the MiniMed 780G system. With this approval, the MiniMed 780G system now offers more flexibility for users of the company's most advanced insulin delivery system featuring Meal Detection technology with both the Guardian 4 sensor and Simplera Sync sensor.   The Simplera Sync is a disposable, all-in-one sensor that requires no fingersticks with SmartGuard or overtape and features a simple, two-step insertion process. It is the company's newest addition to its CGM portfolio, which expands options and provides greater flexibility for users.   The MiniMed 780G system's adaptive algorithm automatically anticipates, adjusts, and corrects glucose levels every 5 minutes, 24/7 – working around the clock so users can focus on what matters. It's the only system featuring Meal Detection technology, which detects rising sugar levels and delivers more insulin as needed to help users keep glucose levels in range more often – even when users occasionally forget to dose insulin for snacks or meals or underestimate their carbs.   The system uses a “treat to target” approach and flexible glucose targets as low as 100 mg/dL, which, combined with its adaptive algorithm allows it to more closely mirror the glucose levels of someone not living with diabetes.   Real-world data of the system shows global users consistently achieve time in range above international targets of 70% when using optimal settings (active insulin time of two hours and 100 mg/dL target glucose). It is also the only system that works with the world's only infusion set that lasts up to 7 days so that users only have to change their infusion set once per week and can experience 96% fewer injections compared to multiple daily injections.   “We're committed to driving innovation that makes life easier for those living with diabetes so they can forget about their diabetes as much as possible throughout the day,” said Que Dallara, EVP and president of Medtronic Diabetes. “Our MiniMed 780G system delivers advanced diabetes technology for so many around the world, and we're excited to continue evolving this experience with expanded CGM options —including our Simplera Sync sensor, which we look forward to bringing to people living with diabetes in the U.S.”   A limited launch of the Simplera Sync sensor will begin in the U.S. in the fall of 2025. Today, the MiniMed 780G system can be used with the Guardian 4 sensor.   Like this:https://med-techinsights.com/2025/04/29/simplera-sync-sensor-for-minimed-780g-now-fda-approved/ XX Front office changes at Insulet.. The former head of Johnson & Johnson's worldwide medtech business, Ashley McEvoy will take over as president and CEO from Jim Hollingshead, who has led Insulet since 2022. In its announcement of the leadership change, Insulet said that Hollingshead and the company mutually agreed to part ways, effective immediately. McEvoy served as worldwide medtech chairman at J&J from 2018 until her departure in late 2023, the culmination of nearly 30 years at the company and several executive roles—including president of its Ethicon division and group chairman of vision and diabetes care. Since then, she has also served as a board member at Procter & Gamble. https://www.fiercebiotech.com/medtech/insulet-taps-former-jj-medtech-head-ashley-mcevoy-be-ceo XX New free mobile game launched this week to make type 1 diabetes onboarding faster easier and less overwhelming. It's called Level One.. created by Level Ex (Powered by Relevate Health), the studio behind award-winning medical games for medical professionals. Level Ex CEO Sam Glassenberg created the game after a – quote  - brutal onboarding experience when his daughter was diagnosed five years ago He says  It took a year to understand how to manage this disease. So we fixed it. We built a game that can train your brain to do it in a matter of hours." The game is launching in partnership with leading diabetes organizations Beyond Type 1 and Breakthrough T1D Play, who are integrating Level One into their outreach and educational campaigns to support newly diagnosed families worldwide. Download Level One on the App Store: https://apps.apple.com/us/app/level-one-a-diabetes-game/id6739605694 Learn more: https://playlevelone.com   https://www.prnewswire.com/news-releases/level-ex-launches-level-one-a-free-mobile-game-to-redefine-type-1-diabetes-onboarding-302440929.html XX   Collagen is widely recognized for its role in maintaining healthy skin, but its importance extends far beyond that. As the most abundant protein in the human body, collagen provides essential structure and support to nearly all tissues and organs.   Now, researchers at Carnegie Mellon's Feinberg Lab have made a major breakthrough using their novel Freeform Reversible Embedding of Suspended Hydrogels (FRESH) 3D bioprinting technique. This method enables the precise printing of soft, living cells and tissues. Leveraging this technology, the team successfully created the first-ever microphysiologic system, also known as a tissue model, constructed entirely from collagen. This advancement opens new possibilities for studying disease and engineering tissue therapies, including potential treatments for conditions like Type 1 diabetes.   Traditionally, small-scale models of human tissue, referred to as microfluidics, organ-on-chip devices, or microphysiologic systems, have been fabricated using synthetic materials such as silicone rubber or plastics. These materials were necessary due to limitations in earlier manufacturing techniques. However, because they are not biologically native, they fail to fully replicate natural tissue environments, restricting their effectiveness in biomedical research and therapeutic development.   “Now, we can build microfluidic systems in the Petri dish entirely out of collagen, cells, and other proteins, with unprecedented structural resolution and fidelity,” explained Adam Feinberg, a professor of biomedical engineering and materials science & engineering at Carnegie Mellon University. “Most importantly, these models are fully biologic, which means cells function better.”   Building Complex Tissues with FRESH Bioprinting In new research published in Science Advances, the group demonstrates the use of this FRESH bioprinting advancement, building more complex vascularized tissues out of fully biologic materials, to create a pancreatic-like tissue that could potentially be used in the future to treat Type 1 diabetes. This advancement in FRESH bioprinting builds on the team's earlier work published in Science, by improving the resolution and quality to create fluidic channels that are like blood vessels down to about 100-micron diameter.   “There were several key technical developments to the FRESH printing technology that enabled this work,” described Daniel Shiwarski, assistant professor of bioengineering at the University of Pittsburgh and prior postdoctoral fellow in the Feinberg lab. “By implementing a single-step bioprinting fabrication process, we manufactured collagen-based perfusable CHIPS in a wide range of designs that exceed the resolution and printed fidelity of any other known bioprinting approach to date. Further, when combined with multi-material 3D bioprinting of ECM proteins, growth factors, and cell-laden bioinks and integration into a custom bioreactor platform, we were able to create a centimeter-scale pancreatic-like tissue construct capable of producing glucose-stimulated insulin release exceeding current organoid based approaches.” https://scitechdaily.com/scientists-bioprint-living-tissues-that-could-revolutionize-diabetes-treatment/ XX Another study showing the blood sugar benefit of walking after a meal. Skeletal muscle plays a central role in glucose uptake. Exercise stimulates glucose transport into muscle cells through insulin-independent pathways, notably through the action of glucose transporter type 4 (GLUT-4), which is responsible for transporting glucose from blood to skeletal muscles.4 This means that even without a robust insulin response, physical activity can facilitate glucose clearance from the bloodstream. These effects also occur without requiring high-intensity exercise, making postprandial walking accessible to a broad range of individuals, including those with limited exercise tolerance. multiple studies show that starting activity within 30 minutes after a meal is optimal. https://www.news-medical.net/health/Walking-After-Meals-Small-Habit-Big-Metabolic-Gains.aspx XX Dexcom brings back Dexcom U for a 4th years. This is a name, image and license program for college athletes with diabetes and includes a nationwide open call for passionate and inspiring college athletes to join its roster. Now through May 23, athletes, coaches, friends and family members can nominate candidates through an online submission. Those selected, along with the eight returning athletes from last year, will be invited to attend the Dexcom U Signing Day Camp this summer, hosted by Dexcom Warrior and Baltimore Ravens tight end Mark Andrews. https://www.hmenews.com/article/dexcom-u-returns-for-fourth-season

This episode of SpaceTime is brought you with the support of NordVPN...our official VPN service. To get your 74% discount plus 4 months extra for free, all with a 30 day money back guarantee, simply visit www.nordvpn.com/spacetimeSupport the show and check them out.In this episode of SpaceTime, we delve into the mysterious absence of river deltas on Titan, Saturn's largest moon. Despite having rivers of methane and ethane, a new study published in the Journal of Geophysical Research Planets reveals that Titan is largely devoid of these geological features, raising intriguing questions about its unique processes and history. We discuss the implications of this finding and what it means for our understanding of Titan's climate and geological past.Volcanic History of MarsNext, we explore groundbreaking research from NASA's Perseverance rover, which has uncovered a diverse array of iron-rich volcanic rocks in Jezero Crater. This study, reported in Science Advances, provides fresh insights into Mars's geological history and its potential to have supported ancient life. The findings reveal complex volcanic processes that may have occurred on the Red Planet, enhancing our understanding of its habitability.Rare Earth Metals in Exoplanet AtmosphereFinally, we celebrate the discovery of rare Earth metals in the atmosphere of Kelt 9b, one of the hottest known exoplanets. Astronomers have detected vaporized elements such as sodium, magnesium, and the rare Earth metals scandium and yttrium, marking a significant milestone in exoplanet research. This discovery opens new avenues for understanding the atmospheres of distant worlds and their unique compositions.www.spacetimewithstuartgary.com✍️ Episode ReferencesJournal of Geophysical Research Planetshttps://agupubs.onlinelibrary.wiley.com/journal/21699356Science Advanceshttps://www.science.org/journal/sciadvAstronomy and Astrophysicshttps://www.aanda.org/NASAhttps://www.nasa.gov/Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support.00:00 This is space Time Series 28, Episode 52 for broadcast on 30 April 202500:46 Scientists are looking for Titan's missing river deltas06:02 NASA's Mars Perseverance Rover is analyzing Martian volcanic rocks10:17 Astronomers have discovered rare Earth metals in the atmosphere of a hot exoplanet17:58 People who were conceived during colder seasons store fat differently, study finds20:25 YouTube is celebrating its 20th birthday with some interesting stats22:16 Google to launch Android 16 three or four months earlier than Apple's iOS

Researchers isolated one kind of cone in the eye and aimed lasers at it to allow subjects to see a super vibrant teal shade they call “olo.”Think about the colors of the world around you—the blue of a cloudless sky, the green of a new leaf, the blazing red of a tulip's petals. We see these colors because of the way our eyes work. But what if we could change how our eyes respond to light, and present them with light in a form they'd never encounter in the natural world? What would we see?This week, researchers reported in the journal Science Advances that by using precisely aimed laser light, they were able to selectively target just one of the three types of color-sensing cones in the human retina. The cone, dubbed “M” because it responds to medium wavelengths of light, is normally stimulated at the same time as cones that respond to longer wavelength reddish light, or shorter wavelength bluish light. But after mapping the location of the cones in several subjects' eyes, the researchers were able to target just the M cones with one specific wavelength of green laser light—a condition that would never exist in nature. The result, they say, is a highly saturated bluish-green teal color unlike anything in the real world. The researchers named their new color “olo.”Study author James Fong, a computer science PhD student at University of California Berkeley, and his advisor, Dr. Ren Ng, join Host Flora Lichtman to talk about the project, and the possibility of expanding the limits of human color perception.Transcript for this story will be available after the show airs on sciencefriday.com. Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.

durée : 00:05:22 - Avec sciences - par : Alexandre Morales - Dans un papier de la revue Science Advances, des chercheurs affirment avoir fait percevoir une nouvelle couleur à cinq personnes en stimulant leur rétine grâce à un laser.

Imagine seeing a colour so vivid, so unlike anything in nature, that your brain has no reference for it. That's exactly what happened to five people who took part in an experiment published in the journal Science Advances this week. The newly perceived colour, which is described as a hyper-saturated blue-green shade, has been named olo, and it unlocked a visual experience that was previously impossible with natural light alone. To understand the experiment, we first need to understand how we see colour. At the back of your eye lies the retina, which contains three types of photoreceptor cone cells - S, M, and L cones -each tuned to different wavelengths of light: S cones respond to short, bluish wavelengths, M cones to medium, greenish wavelengths, L cones to long, reddish wavelengths. Together, they allow your brain to mix and interpret the colours of the world around you. But here's the catch: in nature, the M and L cones are almost always activated together due to how their sensitivities overlap. This means it's essentially impossible to isolate just the M cones with regular light. As a result, a truly pure green, seen by stimulating only M cones, is something no one had ever seen - until now. The researchers used pinpoint lasers and advanced optics to stimulate individual photoreceptors in the human eye. Using a laser no more powerful than a standard green laser pointer, the team was able to target cone cells with surgical precision. First, they needed to create a cone map, a detailed image showing the exact arrangement of cone types on each participant's retina. This map allowed the system to fire microscopic pulses of light solely at the M cones, leaving the others in darkness. When volunteers looked into the laser system, they described a colour that doesn't exist in nature. Some said it was like a supercharged peacock green, others just stared in amazement. As soon as the laser was adjusted to stimulate even a few non-M cones, the olo colour vanished and was replaced instantly by the familiar green of the laser. The implications of this go far beyond a cool visual trick and open up new possibilities in both science and medicine. By allowing researchers to control cone cells at this level of precision, it may help us: Understand how colour vision truly works on a cellular level, Simulate what it's like to lose certain types of vision, helping us study degenerative eye conditions like macular degeneration, Explore how to expand human perception, possibly giving people with colour blindness access to colours they've never seen before or even enable humans to experience tetrachromacy. Sadly, most of us will never get to see olo ourselves, but its discovery is a powerful reminder of how much there is still to learn about the human body, even something as seemingly simple as colour. LISTEN ABOVESee omnystudio.com/listener for privacy information.

All the colours of the rainbow, plus oneResearchers have fired lasers directly into the eye to stimulate photoreceptors, and produce the perception of a colour that does not exist in nature. They describe it as a “supersaturated teal,” and hope the technique will allow them to better understand colour vision and perhaps lead to treatments for vision problems. Austin Roorda has been developing this technology using mirrors, lasers and optical devices. He is a professor of Optometry and Vision Science at University of California, Berkeley. The study was published in the journal Science Advances.Following in the footsteps of an ancient ankylosaurPaleontologists have found fossil footprints of an armoured dinosaur in the Canadian Rockies that fill in a critical gap in the fossil record. The footprints belonged to a club-tailed ankylosaur about five to six metres long, and are the first evidence of this type of dinosaur living in North America in a period known as the middle Cretaceous. The research was led by Victoria Arbour, curator of paleontology at the Royal B.C. Museum, and published in the journal Vertebrate Paleontology.Did the Neanderthals die from sunburn?Neanderthals disappeared 40,000 years ago, and new research suggests this corresponds to a period of weakness in the Earth's magnetic field that allowed an increase in the solar radiation reaching the surface. Researchers think they have evidence that modern humans were able to protect themselves from the sun better than Neanderthals could, and this might have contributed to the Neanderthal extinction. Raven Garvey is an anthropologist at the University of Michigan. Her team's research was published in the journal Science. Cloudy with a chance of ammonia mushballsNew observations and models of activity within Jupiter's stormy atmosphere is giving a weather report for the giant planet, and it's pretty extreme. Most interestingly, researchers predict conditions that could lead to violent lightning storms producing softball sized frozen ammonia “mushballs” that would rain through the upper atmosphere. The research was led by Chris Moeckel, a planetary scientist and aerospace engineer at the University of California-Berkeley Space Sciences Laboratory, and was published in the journal Science Advances.Shattering heat records: climate change is turning out to be worse than expectedIn the last few years, we've seen global temperatures rising faster, with more extreme localized heatwaves, than climate models predicted. Climate scientists are trying to understand this by investigating the underlying factors behind these heating trends. Richard Allan, from the University of Reading in the U.K., was expecting a larger than normal rise in global temperatures due to natural fluctuations, but global temperatures in 2023 and 2024 were much higher than expected. Their recent study in the journal Environmental Research Letters found a growing imbalance in the earth's heat system, with increasingly more heat coming in than leaving, in large part due to changes we've seen in global cloud cover.This global heating is not happening evenly around the world. Kai Kornhuber, from the International Institute for Applied Systems Analysis in Austria and Columbia Climate School in New York, found regional hotspots that are experiencing unexpected extreme heat, likely due to a combination of factors. That study is in the journal PNAS. 

durée : 00:05:13 - Avec sciences - par : Alexandre Morales - Une étude parue dans Science Advances affirme que les corneilles noires, ces animaux dont l'intelligence ne cesse de nous étonner, auraient un sens de la géométrie. Cela ouvre des questions sur l'usage qu'elles peuvent faire de cette compétence qui n'avait été repérée jusqu'ici que chez les humains.

În cadrul ediției de pe 15 aprilie a emisiunii Știința360 de pe Radio România Cultural, Dr. Marius Geantă, Președintele Centrului pentru Inovație în Medicină, a comentat ultimele noutăți din domeniul sănătății. Un nou sistem bazat pe inteligență artificială a fost dezvoltat pentru estimarea cu precizie crescută a vârstei biologice, utilizând date despre de căile moleculare de metabolizare a hormonilor steroizi, conform unui studiu publicat în Science Advances. Deși noile rezultate contribuie semnificativ la înțelegerea înaintării în vârstă, procesul biologic de îmbătrânire implică factori complecși, adițional față de profilul hormonal. Noul studiu s-a concentrat pe utilizarea hormonilor steroizi pentru a estima vârsta biologică, aceștia având roluri majore pentru metabolism, funcțiile imunologice și răspunsul la stres. Din proba de sânge (5 picături) au fost măsurați 22 de steroizi, iar rezultatele sunt utilizate de sistemul de inteligența artificială pentru a calcula vârsta biologică. Au fost utilizate 98 de probe pentru antrenarea modelului și 50 pentru validarea acestuia.Studiul interacțiunilor dintre acești steroizi a oferit o evaluare mai precisă a vârstei biologice. În general, vârsta biologică estimată s-a corelat cu cea cronologică, însă diferențele au crescut o dată cu înaintarea în vârstă. Vârsta biologică a crescut de aproape 1.5 ori odata cu dublarea nivelurilor de cortizol. Cortizolul este un hormon steroid esențial pentru funcționarea organismului uman, însă este asociat frecvent cu stresul. Noile rezultate indică faptul că înaintarea în vârstă este accelerată de stresul cronic la nivel biochimic.  Vârsta biologică nu coincide cu cea cronologică, care reprezintă strict numărul de ani derulaţi de la naștere, ci depinde de numeroși factori, precum cei genetici, de viață și de mediu. Cunoașterea vârstei biologice a unei persoane permite rafinarea intervenţiilor personalizate de prevenţie şi terapie. În mod obișnuit, metodele de estimare a vârstei biologice au la bază biomarkeri variați, precum metilarea ADN-ului sau nivelurile de proteine. Însă aceste metode nu reflectă modul în care rețelele hormonale reglează homeostazia internă, factori de care poate depinde vârsta biologică a unei persoane. Mai multe detalii despre subiectele discutate - ▶ AI identifică pacienții care au nevoie urgentă de revascularizare coronariană, pe baza electrocardiogramei▶ Vârsta biologică poate fi estimată cu ajutorul unui nou model AI, prin măsurarea unor hormoni din 5 picături de sânge▶ Testarea rapidă a colesterolului în cabinetul medical ajută la depistarea precoce a riscului cardiovascular la copii▶ Prezența microplasticelor în mediu favorizează apariția bacteriilor rezistente la antibioticeAscultă emisiunea pe Radio România Cultural.

Estudo publicado na Science Advances dá conta de uma nova cor, criada através da estimulação de células na retina. Deram-lhe o nome de olo.

Die Themen in den Wissensnachrichten: +++ Schimpansen essen und teilen fermentierte Früchte +++ Dünger auf landwirtschaftlichen Flächen fördert Heuschnupfen +++ Sport-BHs mit mehr Halt könnten Wirbelsäule belasten +++**********Weiterführende Quellen zu dieser Folge:Wild chimpanzees share fermented fruits, Current Biology, 21.04.2025The impact of ecosystem nitrogen enrichment on pollen allergy: a cross-sectional paired comparison study, The Lancet Planetary Health, April 2025Contributors to age inequalities in loneliness among older adults: a decomposition analysis of 29 countries, Aging and Mental Health, 21.04.2025Modelling Female Breast Motion During Running: Implications of Breast Support on the Spine, European Journal of Sport Science, 03.04.2025Novel color via stimulation of individual photoreceptors at population scale, Science Advances, 18.04.2025Alle Quellen findet ihr hier.**********Ihr könnt uns auch auf diesen Kanälen folgen: TikTok und Instagram .

Die Themen in den Wissensnachrichten +++ Forschenden schwimmt zufällig superseltene Tintenfisch-Art vor die Kameralinse +++ Veganer*innen sollten auf Aminosäuren achten +++ Mögliche prähistorische Sonnencreme beim Homo Sapiens +++**********Weiterführende Quellen zu dieser Folge:First Confirmed Footage of a Colossal Squid—and it's a Baby! Mitteilung vom Schmidt Ocean Institute, 15.04.2025Evaluation of protein intake and protein quality in New Zealand vegans. Plos One, 16.04.2025Wandering of the auroral oval 41,000 years ago. Science Advances, 16.04.2025Evidence for a polar circumbinary exoplanet orbiting a pair of eclipsing brown dwarfs. Science Advances, 16.04.2025Fluorescent pigment concentration correlated with age, sex, and size in Long-eared Owl (Asio otus) plumage. The Wilson Journal of Ornithology, 27.03.2025Alle Quellen findet ihr hier.**********Ihr könnt uns auch auf diesen Kanälen folgen: TikTok und Instagram .

In this episode, Rodrigo Braga, PhD, explains recent advances in his Human Cognitive Neuroscience Lab, using precision functional MRI technology, that is helping us better understand how the brain is working. He details recent findings published in Science Advances that provide new understanding of how the brain works during and after social interactions, which could lead to new ways to treat anxiety and depression. 

Die Themen in den Wissensnachrichten +++ Enge Beziehungen zu KI können zu falschen zwischenmenschlichen Erwartungen führen +++ Mit Morgenlicht ausgeruhter aufwachen +++ Krähen können Geometrie +++**********Weiterführende Quellen zu dieser Folge:Artificial intimacy: ethical issues of AI romance. Trends in Cognitive Sciences, 11.04.2025Natural light control to improve awakening quality. Building and Environment, 01.04.2025Crows recognize geometric regularity. Science Advances, 11.04.2025An operating system for executing applications on quantum network nodes. Nature, 12.03.2025Perihelion history and atmospheric survival as primary drivers of the Earth's meteorite record. Nature Astronomy, 14.04.2025**********Ihr könnt uns auch auf diesen Kanälen folgen: TikTok und Instagram .

Die Themen in den Wissensnachrichten: +++ Einige Affen in Bolivien können jodeln +++ Forschende entwickeln kleinsten Herzschrittmacher der Welt +++ Alkohol macht Fruchtfliegen sexy +++**********Weiterführende Quellen zu dieser Folge:‘Monkey yodels'—frequency jumps in New World monkey vocalizations greatly surpass human vocal register transitions, Philosophical Transactions of the Royal Society B: Biological Sciences, 03.04.2025Millimetre-scale bioresorbable optoelectronic systems for electrotherapy, Nature, 02.04.2025Eichenprozessionsspinner Frühwarnsystem „PHENTHAUproc“, Deutsche WetterdienstA natural experiment on the effect of herpes zoster vaccination on dementia, Nature, 02.04.2025Neuroecology of alcohol risk and reward: Methanol boosts pheromones and courtship success in Drosophila melanogaster, Science Advances, 02.04.2025Alle Quellen findet ihr hier.**********Ihr könnt uns auch auf diesen Kanälen folgen: TikTok und Instagram .

Le vieillissement du cerveau humain est un phénomène complexe, qui ne touche pas tous les individus de la même manière. Depuis plusieurs années, les scientifiques constatent que les femmes présentent généralement une meilleure résilience cognitive au fil du temps que les hommes. Elles sont souvent moins sujettes à certaines formes de déclin cognitif, et conservent plus longtemps des fonctions telles que la mémoire, l'attention ou la fluidité verbale. Mais pourquoi cette différence ? Une étude récente publiée dans Science Advances propose une explication innovante et intrigante : le rôle protecteur de certains gènes situés sur le chromosome X.Chaque être humain possède normalement deux chromosomes sexuels : les femmes ont deux chromosomes X, tandis que les hommes en ont un seul, accompagné d'un chromosome Y. Chez les femmes, l'un des deux chromosomes X est en grande partie désactivé très tôt dans le développement embryonnaire, un processus connu sous le nom d'inactivation du chromosome X. Cependant, cette nouvelle étude révèle que certains gènes longtemps restés silencieux sur ce chromosome désactivé peuvent se « réveiller » avec l'âge.Cette réactivation partielle de gènes sur le second chromosome X offrirait ainsi un "filet de sécurité" génétique aux femmes. Ces gènes réactivés joueraient un rôle protecteur contre le vieillissement cérébral, en soutenant des fonctions neuronales essentielles, en luttant contre les inflammations, ou encore en améliorant la réparation cellulaire. Les hommes, qui ne possèdent qu'un seul chromosome X, ne bénéficient pas de cette possibilité : s'il survient une mutation ou une dégradation dans un gène de leur unique chromosome X, aucun double génétique n'est là pour prendre le relais.L'étude a notamment utilisé l'imagerie cérébrale et l'analyse génétique sur un large échantillon de participants, hommes et femmes, de différents âges. Elle a montré que chez les femmes, certains gènes du chromosome X affichaient une activité accrue dans les régions du cerveau associées à la mémoire et à la cognition. Ces observations allaient de pair avec de meilleures performances aux tests cognitifs, notamment chez les femmes âgées.Ce mécanisme génétique vient compléter d'autres explications déjà avancées dans la littérature scientifique. On savait par exemple que les hormones sexuelles comme les œstrogènes jouent un rôle neuroprotecteur, surtout avant la ménopause. Les femmes ont également tendance à adopter des comportements plus protecteurs de la santé (alimentation, suivi médical, lien social), ce qui contribue aussi à leur avantage cognitif. Mais la découverte de cette « deuxième chance génétique » offerte par le chromosome X ouvre une nouvelle voie de compréhension.Cette étude souligne à quel point le sexe biologique peut influencer la trajectoire du vieillissement cérébral. Elle pourrait, à terme, inspirer des stratégies de prévention ou de traitement ciblées selon le sexe, afin de mieux protéger le cerveau humain contre les effets du temps. Hébergé par Acast. Visitez acast.com/privacy pour plus d'informations.

Le vieillissement du cerveau humain est un phénomène complexe, qui ne touche pas tous les individus de la même manière. Depuis plusieurs années, les scientifiques constatent que les femmes présentent généralement une meilleure résilience cognitive au fil du temps que les hommes. Elles sont souvent moins sujettes à certaines formes de déclin cognitif, et conservent plus longtemps des fonctions telles que la mémoire, l'attention ou la fluidité verbale. Mais pourquoi cette différence ? Une étude récente publiée dans Science Advances propose une explication innovante et intrigante : le rôle protecteur de certains gènes situés sur le chromosome X.Chaque être humain possède normalement deux chromosomes sexuels : les femmes ont deux chromosomes X, tandis que les hommes en ont un seul, accompagné d'un chromosome Y. Chez les femmes, l'un des deux chromosomes X est en grande partie désactivé très tôt dans le développement embryonnaire, un processus connu sous le nom d'inactivation du chromosome X. Cependant, cette nouvelle étude révèle que certains gènes longtemps restés silencieux sur ce chromosome désactivé peuvent se « réveiller » avec l'âge.Cette réactivation partielle de gènes sur le second chromosome X offrirait ainsi un "filet de sécurité" génétique aux femmes. Ces gènes réactivés joueraient un rôle protecteur contre le vieillissement cérébral, en soutenant des fonctions neuronales essentielles, en luttant contre les inflammations, ou encore en améliorant la réparation cellulaire. Les hommes, qui ne possèdent qu'un seul chromosome X, ne bénéficient pas de cette possibilité : s'il survient une mutation ou une dégradation dans un gène de leur unique chromosome X, aucun double génétique n'est là pour prendre le relais.L'étude a notamment utilisé l'imagerie cérébrale et l'analyse génétique sur un large échantillon de participants, hommes et femmes, de différents âges. Elle a montré que chez les femmes, certains gènes du chromosome X affichaient une activité accrue dans les régions du cerveau associées à la mémoire et à la cognition. Ces observations allaient de pair avec de meilleures performances aux tests cognitifs, notamment chez les femmes âgées.Ce mécanisme génétique vient compléter d'autres explications déjà avancées dans la littérature scientifique. On savait par exemple que les hormones sexuelles comme les œstrogènes jouent un rôle neuroprotecteur, surtout avant la ménopause. Les femmes ont également tendance à adopter des comportements plus protecteurs de la santé (alimentation, suivi médical, lien social), ce qui contribue aussi à leur avantage cognitif. Mais la découverte de cette « deuxième chance génétique » offerte par le chromosome X ouvre une nouvelle voie de compréhension.Cette étude souligne à quel point le sexe biologique peut influencer la trajectoire du vieillissement cérébral. Elle pourrait, à terme, inspirer des stratégies de prévention ou de traitement ciblées selon le sexe, afin de mieux protéger le cerveau humain contre les effets du temps. Hébergé par Acast. Visitez acast.com/privacy pour plus d'informations.

Die Themen in den Wissensnachrichten: +++ Auswandern im Ruhestand kann einsam machen +++ Leguane schafften Tausende Kilometer auf Treibgut +++ Blutspenden kann gesundheitliche Vorteile bringen +++**********Weiterführende Quellen zu dieser Folge:Trouble in Paradise? Emotional and Social Loneliness Among International Retirement Migrants, Psychology and Aging, 13.03.2025Iguanas rafted more than 8,000 km from North America to Fiji, PNAS, 17.03.2025Clonal Hematopoiesis Landscape in Frequent Blood Donors, Blood, 11.03. 2025Refugium amidst ruins: Unearthing the lost flora that escaped the end-Permian mass extinction, Science Advances, 12.03.2025Leistung von Solarmodulen oft zu hoch angegeben, Fraunhofer-Institut für Solare Energiesysteme ISE, 12.03.2025Alle Quellen findet ihr hier.**********Ihr könnt uns auch auf diesen Kanälen folgen: TikTok und Instagram .

Die Themen in den Wissensnachrichten: +++ Wer oft schlecht schläft, glaubt Verschwörungsmythen eher +++ Deutsche haben immer weniger Probleme mit Karies +++ Viele übertragen ihre politischen Sympathien auf ihre Helden +++**********Weiterführende Quellen zu dieser Folge:Investigating the link between sleep quality and belief in conspiracy theories, Journal of Health Psychology, 12.03.2025Institut der Deutschen Zahnärzte, Sechste Deutsche Mundgesundheitsstudie, 17.03.2025Who does Darth Vader vote for? Not the same party as Harry Potter, Political Science Research and Methods, 17.03.2025The unexpected reason firms should institute policies to remove email signatures: Quantifying human mortality costs of email signature-based reputation signaling, Sustainable Futures, (09) 2025The oral drug obeldesivir protects nonhuman primates against lethal Ebola virus infection, Science Advances, 14.03.2025Alle Quellen findet ihr hier.**********Ihr könnt uns auch auf diesen Kanälen folgen: TikTok auf&ab , TikTok wie_geht und Instagram .

First up this week, International News Editor David Malakoff joins host Sarah Crespi to discuss the most recent developments in U.S. science under Donald Trump's second term, from the impact of tariffs on science to the rehiring of probationary employees at the National Science Foundation.   Next, we tackle the question of extra-pair paternity in people—when marriage or birth records of parentage differ from biological parentage. Contributing Correspondent Andrew Curry writes about researchers looking into the question of how often children are genetically unrelated to their presumed fathers by using genealogy and genetic testing.   Finally, Susanne Schweizer, Scientia associate professor at the University of New South Wales, talks about her article on intrusive thoughts in the perinatal period as part of a special issue on women's health in Science Advances. Almost all pregnant and recent mothers experience intrusive thoughts about harm coming to their offspring. Schweizer and colleagues suggest gaining a better understanding of intrusive thoughts during this highly predictable window could help explain the phenomenon more broadly.   This week's episode was produced with help from Podigy.   About the Science Podcast Learn more about your ad choices. Visit megaphone.fm/adchoices

As the new administration in the US continues to make cuts to government agencies and scientific funding, NOAA – the National Oceanic and Atmospheric Administration has been particularly trimmed. This week the professional organisation for weather forecasters – the American Meteorological Society has published a statement pleading for clemency, arguing that the whole US Weather Enterprise is at risk. It's current president elect, veteran weather broadcaster Alan Sealls describes how it's not just US weather forecasts that appear bleak.As the journal Science Advances publishes a special edition highlighting areas of women's health research, we speak with two researchers who may have found a link between menopause – or perhaps hormonal changes – and the age it occurs, with Altzeimer's Disease. Madeline Wood or the University of Toronto and Kaitlin Casaletto of UCSF describe how synaptic health – the fitness of the brain - at death seems even to be less attenuated in women who used hormonal therapy during their menopause. It is not however, yet suggested they are causally connected. But we do connect research vessel Polarstern to have an update from Autun Purser and Nottingham University's molecular biologist Liz Chakrabarti on their nearly completed voyage to the Weddel Sea, in the challengingly chilly Antarctic. They are gathering data and surveying the fauna on the sea floor below what is mostly covered in 3-4 meters of ice. The Icefish they see there are some of the only vertebrates not to have haemoglobin – nor even red blood cells – in their blood. So how, we wonder, do they actually move oxygen around their bodies? Maybe when the team publish their findings – which they are racing to do - we'll find out.Presenter: Roland Pease Producer: Alex Mansfield Production Coordinator: Jana Bennett-Holesworth(Image: National Hurricane Center Monitors Hurricane Beryl's Activity In The Caribbean. Credit: Joe Raedle/Getty Images)

First up this week, International News Editor David Malakoff joins host Sarah Crespi to discuss the most recent developments in U.S. science under Donald Trump's second term, from the impact of tariffs on science to the rehiring of probationary employees at the National Science Foundation.   Next, we tackle the question of extra-pair paternity in people—when marriage or birth records of parentage differ from biological parentage. Contributing Correspondent Andrew Curry writes about researchers looking into the question of how often children are genetically unrelated to their presumed fathers by using genealogy and genetic testing.   Finally, Susanne Schweizer, Scientia associate professor at the University of New South Wales, talks about her article on intrusive thoughts in the perinatal period as part of a special issue on women's health in Science Advances. Almost all pregnant and recent mothers experience intrusive thoughts about harm coming to their offspring. Schweizer and colleagues suggest gaining a better understanding of intrusive thoughts during this highly predictable window could help explain the phenomenon more broadly.   This week's episode was produced with help from Podigy.   About the Science Podcast Learn more about your ad choices. Visit megaphone.fm/adchoices

Welcome to the Social-Engineer Podcast: The Doctor Is In Series – where we will discuss understandings and developments in the field of psychology.   In today's episode, Chris and Abbie are discussing the Bystander Effect. They will talk about the many different ways it presents itself as well as how to avoid it and what you can do if you find yourself victim of it. [March 3, 2025]   00:00 - Intro 00:14 - Dr. Abbie Maroño Intro 00:45 - Intro Links -          Social-Engineer.com - http://www.social-engineer.com/ -          Managed Voice Phishing - https://www.social-engineer.com/services/vishing-service/ -          Managed Email Phishing - https://www.social-engineer.com/services/se-phishing-service/ -          Adversarial Simulations - https://www.social-engineer.com/services/social-engineering-penetration-test/ -          Social-Engineer channel on SLACK - https://social-engineering-hq.slack.com/ssb -          CLUTCH - http://www.pro-rock.com/ -          innocentlivesfoundation.org - http://www.innocentlivesfoundation.org/                                 03:06 - The Topic of the Day: The Bystander Effect 03:16 - Defining the Bystander Effect 05:14 - The Smoke Filled Room 09:03 - The Advantage of CCTV 11:13 - The Ambiguity Factor 12:53 - Gender Dynamics 15:20 - Self-Construal 16:43 - Reverse the Roles 21:21 - Bystanding Online 22:59 - It's Easier to be Negative 25:34 - Fear Factor 27:53 - Assigning Responsibility 30:34 - Education is Key 31:19 - Just Ask! 32:40 - Wrap Up 32:49 - Next Month: Why Do We Cry? 33:12 - Outro     -          www.social-engineer.com -          www.innocentlivesfoundation.org   Find us online: -          Twitter: @DrAbbieofficial -          LinkedIn: linkedin.com/in/dr-abbie-maroño-phd -          Instagram: @DoctorAbbieofficial -          Twitter: @humanhacker -          LinkedIn: linkedin.com/in/christopherhadnagy     References: Bauman, S., Yoon, J., Iurino, C., & Hackett, L. (2020). Experiences of adolescent witnesses to peer victimization: The bystander effect. Journal of school psychology, 80, 1-14. Fadilah, I. N., & Ansyah, E. H. (2022). The Relationship Between The Bystander Effect and Prososial Behavior in Students Of The Faculty Of Psychology And Educational Sciences At University. Academia Open, 7, 10-21070. Ganti, N., & Baek, S. (2021). Why People Stand By: A Comprehensive Study About the Bystander Effect. Journal of Student Research, 10(1). Havlik, J. L., Vieira Sugano, Y. Y., Jacobi, M. C., Kukreja, R. R., Jacobi, J. H. C., & Mason, P. (2020). The bystander effect in rats. Science Advances, 6(28), eabb4205. Kettrey, H. H., & Marx, R. A. (2021). Effects of bystander sexual assault prevention programs on promoting intervention skills and combatting the bystander effect: A systematic review and meta-analysis. Journal of experimental criminology, 17, 343-367. Levine, M., Philpot, R., & Kovalenko, A. G. (2020). Rethinking the bystander effect in violence reduction training programs. Social Issues and Policy Review, 14(1), 273-296. Liu, D., Liu, X., & Wu, S. (2022, June). A Literature Review of Diffusion of Responsibility Phenomenon. In 2022 8th International Conference on Humanities and Social Science Research (ICHSSR 2022) (pp. 1806-1810). Atlantis Press. Machackova, H. (2020). Bystander reactions to cyberbullying and cyberaggression: individual, contextual, and social factors. Current opinion in psychology, 36, 130-134. Madden, C., & Loh, J. (2020). Workplace cyberbullying and bystander helping behaviour. The International Journal of Human Resource Management, 31(19), 2434-2458. Szekeres, H., Halperin, E., Kende, A., & Saguy, T. (2022). Aversive Bystander Effect: Egalitarian bystanders' overestimation of confronting prejudice.

The guests today are co-authors of a new paper in Science Advances titled: “A reassessment of the ‘hard-steps' model for the evolution of intelligent life.” Jennifer Macalady is a Professor of Geosciences at the Pennsylvania State University. Her research is focused on microbial ecology and evolution, and interactions between microorganisms and Earth materials like minerals and water through geologic time. Daniel B. Mills is a postdoctoral researcher in the Orsi Geomicrobiology Lab at The University of Munich in Germany. His research focuses on the co-evolutionary history of Earth's surface environment and eukaryotic life—a topic he approaches by studying modern marine organisms and environments. He also applies this research to the ongoing search for exoplanetary biosignatures and technosignatures. Shermer, Mills, and Macalady discuss the Hard Steps model of the evolution of intelligent life, the Drake Equation, the Fermi Paradox, the Great Filter, and the Great Silence. They also cover the Rare Earth hypothesis, major transitions in evolution, the uniqueness of humans, and the search for biosignatures and technosignatures.

Die Themen in den Wissensnachrichten: +++ Der Golfstrom wird wohl erst mal nicht komplett zusammenbrechen +++ Erstmals historische Fotos deutscher Expedition online +++ Die Waldbirkenmaus soll bedrohte Tierarten retten +++**********Weiterführende Quellen zu dieser Folge:Continued Atlantic overturning circulation even under climate extremes, Nature, 26.02.2025Commonly used interventional procedures for non-cancer chronic spine pain: a clinical practice guideline, BMJ, 19.02.2025Bilder der ersten deutschen Südpolarexpedition bald online nutzbar, IfL, 26.02.2025Same data, different analysts: variation in effect sizes due to analytical decisions in ecology and evolutionary biology, BMC Biology, 06.02.2025Ambient outdoor heat and accelerated epigenetic aging among older adults in the US, Science Advances, 26.02.2025Alle Quellen findet ihr hier.**********Ihr könnt uns auch auf diesen Kanälen folgen: TikTok auf&ab , TikTok wie_geht und Instagram .

Die Themen in den Wissensnachrichten: +++ Symptom-Checker-Apps können vor Arztbesuch helfen +++ Cleverness verhilft Fischmännchen zu mehr Nachwuchs +++ Holz könnte Haarpflege nachhaltiger machen +++**********Weiterführende Quellen zu dieser Folge:Hilf mir, App! Symptom-Checker im Praxistest, Stiftung Warentest, 25.02.2025Paternity analysis reveals sexual selection on cognitive performance in mosquitofish, nature ecology & evolution, 25.02.2025Ancient ocean coastal deposits imaged on Mars, PNAS, 24.02.2025Neue Erinnerungstafel zur Flugblattaktion der Geschwister Scholl, LMU, 24.02.2025Lignin gel emulsions for environmentally benign hair conditioning, Science Advances, 21.02.2025Alle Quellen findet ihr hier.**********Ihr könnt uns auch auf diesen Kanälen folgen: TikTok auf&ab , TikTok wie_geht und Instagram .

Die Themen in den Wissensnachrichten: +++ Zum ersten Mal hat Deutschland alle EU-Grenzwerte für saubere Luft eingehalten +++ Zu viel Licht in der Nacht macht Insekten unfruchtbar +++ Ein Asteroid rast auf die Erde zu +++**********Weiterführende Quellen zu dieser Folge:2024 erstmals alle Grenzwerte zur Luftqualität eingehalten, Umweltbundesamt, 20.02.2025Transcriptomics predicts artificial light at night's (ALAN) negative fitness effects and altered gene expression patterns in the midge Chironomus riparius, Environmental Pollution, 16.02.2025Sentry: Earth Impact Monitoring, Nasa, 19.02.2025Removal of toxic steroidal glycoalkaloids and bitterness in tomato is controlled by a complex epigenetic and genetic network, Science Advances, 19.02.2025Unlocking the fog: assessing fog collection potential and need as a complementary water resource in arid urban lands–the Alto Hospicio, Chile case, Frontiers in Environmental Science, 20.02.2025Alle Quellen findet ihr hier.**********Ihr könnt uns auch auf diesen Kanälen folgen: TikTok auf&ab , TikTok wie_geht und Instagram .

Send us a textRising seas. Dredged rivers. Dying forests. In this episode of Shoresides, we investigate one of North Carolina's most subtle yet devastating climate threats: ghost forests. These vast expanses of standing dead trees are creeping inland, driven by rising sea levels and relentless dredging of the Cape Fear River.UNCW scientists Monica Rother and Andrea Hawks join us to explain how their research—combining tree ring data and microscopic marine organisms—paints a stark picture of environmental change. They discuss why ghost forests are spreading, how they disrupt ecosystems, and what it means for communities, flooding, and environmental justice across the region.Rother and Hawks are at the forefront of research on North Carolina's ghost forests, using innovative methods to track the impact of climate change and human activity on coastal ecosystems. Rother, a forest ecologist and tree ring scientist, analyzes tree growth patterns to understand long-term environmental changes, revealing how rising salinity levels stress and ultimately kill freshwater trees. Hawks, a micropaleontologist, studies tiny marine organisms preserved in sediment to reconstruct past sea level changes and pinpoint when saltwater intrusion began affecting these landscapes. Together, their interdisciplinary work provides a clearer picture of how dredging and rising seas accelerate the spread of ghost forests, offering crucial insights into the future of coastal resilience and community health.Learn more...1. Ghost forests are dead tree stands caused by rising salinity. These eerie landscapes form when saltwater intrusion—driven by rising sea levels, coastal erosion, and human activities like dredging—kills freshwater-dependent trees, leaving behind lifeless trunks.2. They are a visible sign of climate change. Ghost forests are one of the most striking indicators of global warming, as they mark areas where land is transitioning from forest to marsh due to sea-level rise and increasing storm surges.3. The Cape Fear River dredging accelerates ghost forest formation. In Wilmington, NC, repeated deepening of the Cape Fear River has allowed tides to push saltwater farther inland, increasing salinity in freshwater wetlands and rapidly killing off bald cypress and other trees.4. They disrupt ecosystems and increase flooding risks. The loss of forested wetlands means less natural flood protection, leading to higher flood risks for nearby communities. 5. Ghost forests are expanding along the East and Gulf Coasts. While they are particularly noticeable in North Carolina, ghost forests are appearing from the Mid-Atlantic to the Gulf Coast.Useful articles...1. Bernhardt, E. (2022, June 29). “Coastal freshwater wetlands squeezed between migrating salt marshes and working lands.” Science Advances, 8(26).2. Carolina Public Press (2022, August 12). “‘Ghost forests' are creeping across NC's coast at an alarming rate. Researchers are trying to stop them.” Accessed October 29, 2024.3. Coastal Review (2022, June 15). “Research network to link enSupport the showwww.shoresides.org

Bits of Bennu have building blocks of lifeNASA's OSIRIS-REx mission took six years to travel to the asteroid Bennu and return samples to Earth. Now, the first results from the analysis of these rocks are being released. Researchers found evidence of salty water, as well as the elements necessary for life, such as amino acids and the building blocks for RNA and DNA. We spoke with Kim Tait, senior curator of mineralogy at the Royal Ontario Museum in Toronto, and co-author of one of the recent studies, published in the journal Nature.Unlocking the secret of Polar bear de-icingPolar bears spend so much time going in and out of the water that they are considered marine mammals. So when they do this in the frozen Arctic, why are they not covered in ice? A new study reveals the secret turns out to lie in the unique oils they produce that covers their white fur. Julian Carolan, a PhD candidate at Trinity College Dublin, worked with scientists in Norway, Denmark and the U.K. on this paper published in the journal Science Advances.Truffle-hunting dog finds fabulous new fungusA chance discovery has turned out to reveal a new species of North American truffle. These fungi can be desirable and valuable delicacies. An American truffle hunter, Lois Martin, and her  trained dog Monza found a distinctive truffle in a city park that turned out to be a fungus new to science. Although native to North America, it was more similar to European truffles than any found in the Americas. Dr. Greg Bonito at Michigan State University named this new truffle Tuber canirevelatum,  meaning the ‘dog-found' truffle in honour of Monza and other dogs who look for truffles. The work was published in the journal Mycologia.  Voiding your bowels can improve cognitive performanceTo maximize your cognitive function, it might be a good idea to make sure you have a poo first. That's according to a recent study in the journal Sports Medicine and Health Science. In it, scientists found that 9 out of 13 individuals improved how well they did in a mentally taxing cognitive test if they defecated first, whereas all 13 of them improved in their performance when they took a mild laxative the night before. Chia-Hua Kuo, a professor of sports medicine and nutrition at the University of Taipei, said they also saw an increase in oxygen consumption in the test subjects' subnavel regions as they were doing the test, suggesting a previously unsuspected link between the rectum and the brain. Saving species on Earth, preserving them on the moonThe world is in a biodiversity crisis. We're losing species at an unprecedented rate, thanks to climate change, habitat loss, overexploitation and more. We look at some of the more out-of-the-box solutions that are currently in the works – from creating an internet of animals to monitor biodiversity, to saving samples of Earth's biological resources on the moon.We spoke with:Martin Wikelski, the director of the Max Planck Institute of Animal Behavior, honorary professor of ornithology at the University of Konstanz, and the scientific head of the ICARUS project.Mary Hagedorn, a senior research scientist at the Smithsonian Conservation Biology Institute and senior author of a recent paper published in the journal Bioscience proposing a passive biorepository on the moon.

In this episode, the team discusses a recent scientific report concerning new evidence of hominin activity 1.9 million years ago in Graunceanu, Romania, in the form of multiple cut-marked bones. The discussion continues with exciting news from Siberia, with the discovery of a Saber-Toothed Cat cub in pristine condition, shedding new scientific light on this enigmatic species. James Chatters, PhD, then joins the team to discuss his latest paper on the Western Clovis diet, which was published in Science Advances. Dr. James Chatters earned his PhD in Anthropology from the University of Washington in 1982. He is an archaeologist and paleontologist involved in discovering and investigating many of North America's earliest human skeletons. Best known for the 1996 discovery of Kennewick Man and ongoing work at the Hoyo Negro Site in the Yucatan of Mexico, he has also done extensive work in hunter-gatherer prehistory in the western US, macroevolutionary theory, palynology, and late Pleistocene mammals, most notably ground sloths. Seven Ages Official Merchandise  Instagram  Facebook  Seven Ages Official Site  Patreon  Seven Ages YouTube  Guest Links Mammoth featured heavily in Western Clovis diet 

Ancient human ancestors didn't eat meat, and so couldn't build big brainsOne of the main reasons scientists think we became so smart is because at some point in our evolutionary past, our ancestors started eating energy-dense meat to fuel the growth of large brains. However it hasn't been clear when this started. Using a new technology, scientists were able to analyze the tooth enamel of seven 3.5 million year old Australopithecines to directly measure their meat consumption. Tina Lüdecke, from the Max Planck Institute for Chemistry, said it revealed they were primarily herbivores so meat eating would have had to come later in our evolutionary history. Their study was published in the journal Science. Building a robot bee that could one day pollinate cropsBees do an incredibly important job pollinating crops and wild plants. Now scientists in the US are trying to emulate their skills with a tiny robot bee that has all the agility and ability of the real insect. They hope eventually they can be used in indoor factory farms where real bees can't survive.  Kevin Chen, associate professor of Electrical Engineering and Computer Science at M.I.T and PhD candidate Suhan Kim were a part of this project. Their research was published in the journal Science Robotics.We are made of star stuff – but how did it get here?Elements like carbon, nitrogen and oxygen that are essential to life were forged in supernovae billions of years ago. Now new research is helping to explain how these elements – especially essential carbon – were concentrated in such a way as to be plentifully available for the chemistry of life. The study, led in part by astronomer Trystyn Berg, discovered a cosmic conveyer belt funneling carbon in and out of our galaxy over billions of years. The research was published in the Astrophysical Journal Letters.Australia's vanishingly rare marsupial mole gets a genetic checkupIn the southern desert of Australia, there lives an elusive and unique animal - the marsupial mole. It lives under the sand and is so rare that very few people have ever seen it. Scientists have now published the very first genetic research on this animal in the journal Science Advances, thanks to tissue samples donated by a local museum. Sarah Lucas is a postdoctoral research associate at the University of Münster, Germany, and was part of the team. A climate researcher makes the case for scientist-activistsThe stereotype of a scientist is a dispassionate, objective and neutral seeker of nature's truths, and many think that this makes a career in science incompatible with political activism. Canadian climate scientist Katherine Hayhoe thinks that this is a mistake. She sees her role more like that of a physician for the planet – diagnosing its ills and advocating for the health of her patient, and her patient's inhabitants. She recently co-authored a paper in the journal Nature Climate Action arguing her case.

Was Rome's fall due to heavy metal poisoning making Romans dumber?Ice cores that preserve traces of atmospheric pollutants through history have revealed that industrial activity by Romans – particularly the use and production of lead – meant the air the Romans breathed was heavily contaminated. The levels were high enough to cause neurological problems, including a drop in cognitive function across the population. Joe McConnell and his team at the Desert Research Institute published their findings in the journal PNAS.Bats are surfing storms to make migration easierMigrating bats in Europe have to fly up to 2000km while pregnant, but they've figured out how to get a lift from the weather. The bats have been observed waiting for storm fronts, and then surfing the strong winds in front of the storm to save energy during their migration. Dina Dechmann from the Max Planck Institute of Animal Behaviour, and colleagues, were able to tag bats with tiny specialized sensors to track their nocturnal movements during migration. Their paper was published in the journal Science.Squirrels have developed a taste for vole fleshSquirrels in California have been taking advantage of a boom in the population of tiny rodents called voles – by hunting and eating them. This widespread carnivorous behaviour was captured for the first time on videos and photos by a team led by behavioural ecologist Jennifer Smith, as a part of a long-term study of the squirrels. The researchers found dozens of instances of the squirrels killing the voles, which they say changes our fundamental understanding of ground squirrels. Their paper was published in the Journal of Ethology.EEG tattoos could outperform standard electrodes EEG is a valuable technology that allows researchers to monitor the electrical activity of the brain, but standard EEG electrodes are cumbersome and are hampered by the difficulty of attaching them. A new temporary EEG tattoo, made by printing conductive ink on the scalp, could be a step ahead. Luize Vasconcelos, a postdoctoral fellow at the University of Texas at Austin helped create this ink. The research is published in the Cell Press journal Cell Biomaterials.To monitor cat brain waves, researchers made them cute hatsAude Castel, a veterinary neurologist from the Université de Montréal, and her team were  studying chronic pain in cats — and ways to alleviate it — when she realized that she could crochet hats for the cats and add EEG electrodes to them in order to study their brains. Their research was published in the Journal of Neuroscience Methods. When North America went to the dogs (or vice-versa)Researchers examining canid bones from Alaska dating to the last ice age have been intrigued by the complex picture it shows of dog domestication at the time. Their findings were published in the journal Science Advances. Signs of the animals' diet are preserved in the bones, and shows that humans were clearly feeding their dogs, a clear sign of domestication. François Lanoë from the University of Arizona led the work.

In today's summer special, Betty takes Nick and the listeners through 12,000 years of the cannabis plant. Starting in the ancient world, through the age of sail and into the modern era, we follow the cannabis plant on its global journey and its role in human politics and development. We finish with a discussion on cannabis pharmacology, drug prohibition and challenges facing the revival of the hemp industry in modern times.Music has been removed from the podcast version of the show due to copyright. Please check out the music featured on the live show through these links or on our Spotify playlist.Music featured:Hemp – Yellow Blue Bus: https://youtu.be/FGIfNF5qO8w?si=8DRAG01hWmqRixhxGanja Farmer – J Boog: https://soundcloud.com/jboogmusic/ganja-farmerHashish – Ibrahim Maalouf: https://soundcloud.com/ibrahim-maalouf/hashishFreedom of Species Spotify playlist:https://open.spotify.com/playlist/3TJQujKYjGFoFP6LhBbaTS?si=6ghUWmzkQpyvsPJM9PNB-w&pi=rl23HPZQS1ins&fbclid=IwY2xjawHoEuJleHRuA2FlbQIxMAABHRsgsJ5WkFD9Dx9vuiubNXtF1GMaFOFYw8cXDD3UdwkuYHBSswptwIw8wA_aem_AiO4AOLyNFOoqz5PRlkU5Q&nd=1&dlsi=0efe6436f2fe4f8bReferences and links:Abel, E. L. (2013). Marihuana: the first twelve thousand years. Springer Science & Business Media.Ayonrinde O. A. (2020). Cannabis and psychosis: revisiting a nineteenth century study of 'Indian Hemp and Insanity' in Colonial British India. Psychological medicine, 50(7), 1164–1172.Bania G. (2022). Shifts in therapeutic practices and decline of medicinal cannabis in Indian North-Eastern Frontier (1826-1925).  Journal of cannabis research, 4(1), 52.Borougerdi, B. J. (2014). Cord of empire, exotic intoxicant: Hemp and culture in the Atlantic world, 1600-1900 (Order No. 3626432). Available from ProQuest Dissertations & Theses Global; ProQuest One Academic. (1558183077).Clarke, R. C., & Merlin, M. D. (2016). Cannabis Domestication, Breeding History, Present-day Genetic Diversity, and Future Prospects. Critical Reviews in Plant Sciences, 35(5-6), 293-327.Fike, J. (2016). Industrial Hemp: Renewed Opportunities for an Ancient Crop. Critical Reviews in Plant Sciences, 35(5-6), 406-424. Gülck, T., & Møller, B. L. (2020). Phytocannabinoids: Origins and Biosynthesis. Trends in Plant Science, 25(10), 985-1004. Hart, C. L. (2022). Drug use for grown-ups: Chasing liberty in the land of fear. Penguin.Jiggens, J. (2012). Sir Joseph Banks and the question of hemp : hemp, seapower and empire, 1776-1815Mead, A. (2019). Legal and Regulatory Issues Governing Cannabis and Cannabis-Derived Products in the United States. Frontiers in Plant Science, 10.Nutt, D. (2022) Cannabis (seeing through the smoke): The New Science of Cannabis and Your Health. Yellow Kite BooksRen, G., Zhang, X., Li, Y., Ridout, K., Serrano-Serrano, M. L., Yang, Y., Liu, A., Ravikanth, G., Nawaz, M. A., Mumtaz, A. S., Salamin, N., & Fumagalli, L. (2021). Large-scale whole-genome resequencing unravels the domestication history of Cannabis sativa. Science Advances, 7(29), eabg2286.Schluttenhofer, C., & Yuan, L. (2017). Challenges towards Revitalizing Hemp: A Multifaceted Crop. Trends in Plant Science, 22(11), 917-929.Talk from Dr. Carl Hart: Drug Use for Grownups, A Human Rights Perspective: https://www.youtube.com/watch?v=M6PHC4p1Ohw&t=1226sDr Carl Hart Democracy Now interview: https://www.youtube.com/watch?v=iKXWelf-ZvA

The Archaeology Podcast Network is taking a break for the holiday season. In the meantime, please enjoy this encore episode. It's a favorite of ours! Happy holidays!This week we have 3 fascinating archaeology news stories. First, experimental research has helped researchers determine the function of an ivory baton. Then, we take a look at a newly discovered Roman villa that may have belonged to Pliny the Elder. Finally, Amelia Earhart is back in the news with some new and potentially controversial findings!Links Experiments suggest ancient four-holed ivory baton was used to make rope (Phys.org) Rope making in the Aurignacian of Central Europe more than 35,000 years ago (Science Advances) 1st-century villa discovered near Mount Vesuvius may be where Pliny the Elder watched catastrophic eruption Amelia Earhart's plane may have crashed in the heart of the Pacific Ocean, explorer claims (Live Science) The Earhart Project in a Nutshell Scientists discover new possible clue in Amelia Earhart mysteryContact Chris Webster chris@archaeologypodcastnetwork.com Rachel Roden rachel@unraveleddesigns.com RachelUnraveled (Instagram)ArchPodNet APN Website: https://www.archpodnet.com APN on Facebook: https://www.facebook.com/archpodnet APN on Twitter: https://www.twitter.com/archpodnet APN on Instagram: https://www.instagram.com/archpodnet Tee Public Store: https://www.teepublic.com/stores/archaeology-podcast-network?ref_id=5724Affiliates Motion

The Archaeology Podcast Network is taking a break for the holiday season. In the meantime, please enjoy this encore episode. It's a favorite of ours! Happy holidays!This week we have 3 fascinating archaeology news stories. First, experimental research has helped researchers determine the function of an ivory baton. Then, we take a look at a newly discovered Roman villa that may have belonged to Pliny the Elder. Finally, Amelia Earhart is back in the news with some new and potentially controversial findings!Links Experiments suggest ancient four-holed ivory baton was used to make rope (Phys.org) Rope making in the Aurignacian of Central Europe more than 35,000 years ago (Science Advances) 1st-century villa discovered near Mount Vesuvius may be where Pliny the Elder watched catastrophic eruption Amelia Earhart's plane may have crashed in the heart of the Pacific Ocean, explorer claims (Live Science) The Earhart Project in a Nutshell Scientists discover new possible clue in Amelia Earhart mysteryContact Chris Websterchris@archaeologypodcastnetwork.com Rachel Rodenrachel@unraveleddesigns.comRachelUnraveled (Instagram)ArchPodNet APN Website: https://www.archpodnet.com APN on Facebook: https://www.facebook.com/archpodnet APN on Twitter: https://www.twitter.com/archpodnet APN on Instagram: https://www.instagram.com/archpodnet Tee Public Store: https://www.teepublic.com/stores/archaeology-podcast-network?ref_id=5724Affiliates Motion

Animal aquaculture, the farming of fish, has outpaced the amount of wild-caught fish by tens of millions of metric tons each year, bringing with it negative environmental impacts and enabling abuse, says Carl Safina, an ecologist and author. On this episode of Mongabay's podcast, Safina speaks with co-host Rachel Donald about his recent Science Advances essay describing the “moral reckoning” that's required for the industry, pointing to environmental laws in the United States, which put hard limits on pollution, as examples to follow. “In the 1970s in the U.S., we had this enormous burst of environmental legislation. We got the Endangered Species Act, the Clean Air Act, the Clean Water Act, the Toxic Substances Control Act … all of these things were not because somebody invented something new. It's because we felt differently about what was important,” he says. The global fishing industry also contributes to forced labor and other worker abuses, as revealed by whistleblowers and media outlets, including Mongabay. Read our award-winning 2022 investigation, which revealed systemic abuse of foreign workers by China's offshore tuna fleet. Like this podcast? Share it with a friend, and please leave a review. Subscribe to or follow the Mongabay Newscast wherever you listen to podcasts, from Apple to Spotify, and you can also listen to all episodes here on the Mongabay website or download our free app for Apple and Android devices to gain instant access to our latest episodes and all of our previous ones. Image caption: An Atlantic salmon. In the U.S., the Washington state legislature banned farming of Atlantic salmon in 2018. A state official banned all commercial finfish aquaculture. Alaska and California have similar bans. Image by Hans-Petter Fjeld via Wikimedia Commons (CC BY-SA 2.5). --- Timecodes (00:00) Aquaculture and its impacts (15:32) How values shape environmental policy (32:56) The tragedy of the commons (35:52) Ecological empathy (45:07) Credits

Early people in North America had mammoth appetitesThe people of the Clovis culture, who lived across Ice Age North America 13,000 years ago, left behind many tools and artifacts that suggest they were skilled hunters. And now chemical analysis of the incredibly rare find of bones of a Clovis child has given us the first direct evidence of what they were eating. The research, co-led by James Chatters of McMaster University, revealed they were “super-carnivores” whose diet mostly consisted of mammoth meat, with elk and bison/camel showing up as well. By specializing in hunting megafauna, this would have helped the Clovis people rapidly spread throughout North America. The research was published in the journal Science Advances.Now we know the specific molecule that makes the Corpse flower smell like deathCorpse flowers are major botanical attractions because of their unique shape, their rare flowering and their incredible stench. Now researchers have identified the molecule that is the secret behind the stink. Alveena Zulfiqar, a research associate at the University of Minnesota, was a key part of the team led by G. Eric Schaller, a professor of biology at Dartmouth College. They published their research in the journal PNAS Nexus.The dinosaurs that became birds had distinctive drumsticksThe lineage of dinosaurs that ultimately evolved into birds didn't just have unique adaptations for wings and feathers. They also evolved unique drumsticks, specifically fibula bones that are detached at the ankle, which gave their knee joints unusual mobility, allowing them to twist by more than 100 degrees. Biomechanist Armita Manafzadeh, from Yale University, says it's certainly possible that this change in their mobility might have been key to their survival. Their research was published in Nature. A plant can spit out its seeds fast enough to take out an eyeIn the blink of an eye the squirting cucumber can eject its seeds faster than a greyhound can run, up to twelve meters from the plant. High speed video has enabled researchers to capture the process, which the plant manages without muscles or tendons. Derek Moulton, a professor of applied mathematics at the University of Oxford, was part of the team that published their research in the journal PNAS.Hacking photosynthesis: How we can improve the chemistry that's the foundation of lifeThe plants that make up the base of the Earth's food chain, use the sun's energy — along with carbon dioxide and water — to build their tissues. But the chemical process they use, photosynthesis, is extremely inefficient. To feed our growing population, scientists are working on ways to improve this very foundational chemical reaction by increasing its efficiency.One team developed a computer simulation of the entire photosynthetic process to systematically search for and test ways to enhance the process. Plant biologist Steve Long, from the University of Illinois at Urbana-Champaign, says if they combined all the individual gains they've discovered, he estimates they could improve efficiency by up to double. One of their latest studies is currently in the preprint bioRxiv. Another approach scientists are investigating involves replacing photosynthesis with more efficient chemical reaction to produce acetate as fuel for the plants' growth. This reaction could be powered by solar energy or any other form of electricity. Robert Jinkerson, a chemical engineer from the University of California in Riverside, said they're still developing this technology for plants, but they've shown that in single-celled photosynthetic algae that they can improve photosynthetic efficiency by at least four-fold. Their research is published in Joule. 

La flottabilité neutre est un concept essentiel en physique, notamment en mécanique des fluides, qui décrit l'état d'un objet lorsqu'il ne flotte ni ne coule dans un fluide, mais reste en suspension. Cet équilibre survient lorsque le poids de l'objet est exactement égal à la force de poussée d'Archimède exercée par le fluide. Pour comprendre ce phénomène, il est important de rappeler la loi d'Archimède, qui stipule qu'un objet immergé dans un fluide subit une force de poussée égale au poids du volume de fluide déplacé. Si le poids de l'objet est supérieur à cette poussée, l'objet coule ; s'il est inférieur, l'objet flotte. La flottabilité neutre se produit donc lorsque ces deux forces sont équilibrées. Un exemple classique de la flottabilité neutre se trouve dans la plongée sous-marine. Un plongeur utilise un gilet stabilisateur (appelé gilet de compensation) pour contrôler sa flottabilité. En ajustant la quantité d'air dans ce gilet, le plongeur peut atteindre la flottabilité neutre, lui permettant de rester à une profondeur constante sans effort pour monter ou descendre. Cette maîtrise est essentielle pour les plongeurs, car elle réduit leur consommation d'énergie et leur permet de mieux observer la vie marine sans perturber l'environnement. Un autre exemple est celui des poissons, qui possèdent une vessie natatoire, un organe interne rempli de gaz, leur permettant d'ajuster leur flottabilité. En modifiant la quantité de gaz dans leur vessie, les poissons peuvent flotter à différentes profondeurs sans dépenser d'énergie. Si un poisson veut monter, il augmente le volume de gaz dans sa vessie, et s'il veut descendre, il le diminue. Une étude scientifique publiée dans Science Advances a exploré la flottabilité neutre des méduses. Ces créatures marines sont un exemple fascinant de l'adaptation biologique à la flottabilité. Les méduses utilisent leur structure corporelle gélatineuse, qui est presque de la même densité que l'eau, pour atteindre une flottabilité neutre. Cela leur permet de se déplacer de manière très efficace avec un minimum de dépense énergétique. En analysant leur mécanique de déplacement, les chercheurs ont découvert que les méduses maximisent leur efficacité énergétique en flottant sans effort, ce qui est crucial pour leur survie dans des environnements marins où l'énergie peut être limitée. Ainsi, la flottabilité neutre est un concept physique avec de nombreuses applications pratiques et biologiques, permettant à divers organismes et dispositifs de rester en suspension dans un fluide sans force supplémentaire. Cela révèle l'importance de comprendre l'interaction entre la densité des objets et celle du fluide environnant pour maîtriser ce phénomène. Hébergé par Acast. Visitez acast.com/privacy pour plus d'informations.

This week on the Milk Minute, we're diving into the latest research on breastmilk at the cellular level! We're breaking down the study Profiling of Mature-Stage Human Breast Milk Cells Identifies Six Unique Lactocyte Subpopulations from Science Advances. It's full of science jargon, but don't worry—we're making it easy to understand. If you're a science lover like us, you'll be fascinated by the new insights into breastmilk's complexity. Tune in for a nerdy and accessible look at the latest lactation research!Work With Us!Book a Lactation Consult with Heather! Click HERE for the deets.Book a Lactation Consult with Maureen! Click HERE to get started.THANKS TO OUR NEW PATRONS, Femto, Diana Vargas, and Sonya S!Mentioned in this Episode:Check out the full study HERE.TED Talk “The Surprisingly Charming Science of Your Gut” by Julie EndersPrefer to read the transcript? Click Here Support the showCheck out Milk Minute Podcast's website here!Become a VIP Click here to get exclusive access and more!Send us an e-mail! MilkMinutePodcast@gmail.comFacebook | Instagram | TikTok

* List of Discoveries Squeezing Evolution: Did you know that dinosaurs ate rice before rice evolved? That turtle shells existed forty million years before turtle shells began evolving? That insects evolved tongues for eating from flowers 70 million years before flowers evolved? And that birds appeared before birds evolved? The fossil record is a wonderful thing. And more recently, only a 40,000-year squeeze, Neanderthal had blood types A, B, and O, shocking evolutionists but expected to us here at Real Science Radio! Sit back and get ready to enjoy another instant classic, today's RSR "list show" on Evolution's Big Squeeze! Our other popular list shows include: - scientists doubting Darwin - evidence against whale evolution - problems with 'the river carved the canyon' - carbon 14 everywhere it shouldn't be - dinosaur still-soft biological tissue - solar system formation problems - evidence against the big bang - evidence for the global flood - genomes that just don't fit - and our list of not so old things! (See also rsr.org/sq2 and rsr.org/sq3!) * Evolution's Big Squeeze: Many discoveries squeeze the Darwinian theory's timeframe and of course without a workable timeframe there is no workable theory. Examples, with their alleged (and falsified) old-earth timeframes, include: - Complex skeletons existed 9 million years before they were thought to have evolved, before even the "Cambrian explosion".- Butterflies existed 10 million years before they were thought to have evolved. - Parrots existed "much earlier than had been thought", in fact, 25 million years before they were thought to have evolved. - Cephalopod fossils (squids, cuttlefish, etc.) appear 35 million years before they were able to propagate. - Turtle shells 40 million years before turtle shells began evolving - Trees began evolving 45 million years before they were thought to evolve - Spores appearing 50 million years before the plants that made them (not unlike footprints systematically appearing "millions of years before" the creatures that made them, as affirmed by Dr. Marcus Ross, associate professor of geology). - Sponges existed 60 million years before they were believed to have evolved. - Dinosaurs ate rice before it evolved Example - Insect proboscis (tongue) in moths and butterflies 70 million years before previously believed has them evolving before flowers. - Arthropod brains fully developed with central nervous system running to eyes and appendages just like modern arthropods 90 million years earlier than previously known (prior to 2021, now, allegedly 310mya) - 100 million years ago and already a bird - Fossil pollen pushes back plant evolution 100 million years. - Mammalian hair allegedly 100-million-years-old show that, "the morphology of hair cuticula may have remained unchanged throughout most of mammalian evolution", regarding the overlapping cells that lock the hair shaft into its follicle. - Piranha-like flesh-eating teeth (and bitten prey) found pushing back such fish 125 million years earlier than previously claimed   - Shocking organic molecules in "200 million-years-old leaves" from ginkgoes and conifers show unexpected stasis. - Plant genetic sophistication pushed back 200 million years. - Jellyfish fossils (Medusoid Problematica :) 200 million years earlier than expected; here from 500My ago. - Green seaweed 200 million years earlier than expected, pushed back now to a billion years ago!  - The acanthodii fish had color vision 300 million years ago, but then, and wait, Cheiracanthus fish allegedly 388 million years ago already had color vision. - Color vision (for which there is no Darwinian evolutionary small-step to be had, from monochromatic), existed "300 million years ago" in fish, and these allegedly "120-million-year-old" bird's rod and cone fossils stun researchers :) - 400-million-year-old Murrindalaspis placoderm fish "eye muscle attachment, the eyestalk attachment and openings for the optic nerve, and arteries and veins supplying the eyeball" The paper's author writes, "Of course, we would not expect the preservation of ancient structures made entirely of soft tissues (e.g. rods and cone cells in the retina...)." So, check this next item... :) - And... no vertebrates in the Cambrian? Well, from the journal Nature in 2014, a "Lower-Middle Cambrian... primitive fish displays unambiguous vertebrate features: a notochord, a pair of prominent camera-type eyes, paired nasal sacs, possible cranium and arcualia, W-shaped myomeres, and a post-anal tail" Primitive? - Fast-growing juvenile bone tissue, thought to appear in the Cretaceous, has been pushed back 100 million years: "This pushes the origin of fibrolamellar bone in Sauropterygia back from the Cretaceous to the early Middle Triassic..."- Trilobites "advanced" (not the predicted primitive) digestion "525 million" years ago - And there's this, a "530 million year old" fish, "50 million years before the current estimate of when fish evolved" - Mycobacterium tuberculosis 100,000 yr-old MRCA (most recent common ancestor) now 245 million- Fungus long claimed to originate 500M years ago, now found at allegedly 950 Mya (and still biological "the distant past... may have been much more 'modern' than we thought." :) - A rock contained pollen a billion years before plants evolved, according to a 2007 paper describing "remarkably preserved" fossil spores in the French Alps that had undergone high-grade metamorphism - 2.5 billion year old cyanobacteria fossils (made of organic material found in a stromatolite) appear about "200 million years before the [supposed] Great Oxidation Event". - 2.7 billion year old eukaryotes (cells with a nucleus) existed (allegedly) 1 billion years before expected - 3.5 billion year "cell division evidently identical to that of living filamentous prokaryotes." - And even older cyanobacteria! At 220 million years earlier than thought, per Nature's 3.7 billion year old dating of stromatolites! - The universe and life itself (in 2019 with the universe dated a billion, now, no, wait, two billion!, years younger than previously thought, that's not only squeezing biological but also astronomical evolution, with the overall story getting really tight) - Mantis shrimp, with its rudimentary color but advanced UV vision, is allegedly ancient. - Hadrosaur teeth, all 1400 of them, were "more complex than those of cows, horses, and other well-known modern grazers." Professor stunned by the find! (RSR predicts that, by 2030 just to put an end date on it, more fossils will be found from the geologic column that will be more "advanced" as compared to living organisms, just like this hadrosaur and like the allegedly 100M year old hagfish  fossil having more slime glands than living specimens.)  - Trace fossils "exquisitely preserved" of mobile organisms (motility) dated at 2.1 billion years ago, a full 1.5 billion earlier than previously believed - Various multicellular organisms allegedly 2.1 billion years old, show multicellularity 1.5 billion years sooner than long believed   - Pre-sauropod 26,000-pound dinosaur "shows us that even as far back as 200 million years ago, these animals had already become the largest vertebrates to ever walk the Earth." - The Evo-devo squeeze, i.e., evolutionary developmental biology, as with rsr.org/evo-devo-undermining-darwinism. - Extinct Siberian one-horned rhinos coexisted with mankind. - Whale "evolution" is being crushed in the industry-wide "big squeeze". First, geneticist claims whales evolved from hippos but paleontologists say hippos evolved tens of millions of years too late! And what's worse than that is that fossil finds continue to compress the time available for whale evolution. To not violate its own plot, the Darwinist story doesn't start animals evolving back into the sea until the cast includes land animals suitable to undertake the legendary journey. The recent excavation of whale fossils on an island of the Antarctic Peninsula further compresses the already absurdly fast 10 million years to allegedly evolve from the land back to the sea, down to as little as one million years. BioOne in 2016 reported a fossil that is "among the oldest occurrences of basilosaurids worldwide, indicating a rapid radiation and dispersal of this group since at least the early middle Eocene." By this assessment, various techniques produced various published dates. (See the evidence that falsifies the canonical whale evolution story at rsr.org/whales.) * Ancient Hierarchical Insect Society: "Thanks to some well-preserved remains, researchers now believe arthropod social structures have been around longer than anyone ever imagined. The encased specimens of ants and termites recently studied date back [allegedly] 100 million years." Also from the video about "the bubonic plague", the "disease is well known as a Middle Ages mass killer... Traces of very similar bacteria were found on [an allegedly] 20-million-year-old flea trapped in amber." And regarding "Caribbean lizards... Even though they are [allegedly] 20 million years old, the reptiles inside the golden stones were not found to differ from their contemporary counterparts in any significant way. Scientists attribute the rarity [Ha! A rarity or the rule? Check out rsr.org/stasis.] to stable ecological surroundings." * Squeezing and Rewriting Human History: Some squeezing simply makes aspects of the Darwinian story harder to maintain while other squeezing contradicts fundamental claims. So consider the following discoveries, most of which came from about a 12-month period beginning in 2017 which squeeze (and some even falsify) the Out-of-Africa model: - find two teeth and rewrite human history with allegedly 9.7 million-year-old teeth found in northern Europe (and they're like Lucy, but "three times older") - date blue eyes, when humans first sported them, to as recently as 6,000 years ago   - get mummy DNA and rewrite human history with a thousand years of ancient Egyptian mummy DNA contradicting Out-of-Africa and demonstrating Out-of-Babel - find a few footprints and rewrite human history with allegedly 5.7 million-year-old human footprints in Crete - re-date an old skull and rewrite human history with a very human skull dated at 325,000 years old and redated in the Journal of Physical Anthropology at about 260,000 years old and described in the UK's Independent, "A skull found in China [40 years ago] could re-write our entire understanding of human evolution." - date the oldest language in India, Dravidian, with 80 derivatives spoken by 214 million people, which appeared on the subcontinent only about 4,500 years ago, which means that there is no evidence for human language for nearly 99% of the time that humans were living in Asia. (Ha! See rsr.org/origin-of-language for the correct explanation.) - sequence a baby's genome and rewrite human history with a 6-week old girl buried in Alaska allegedly 11,500 years ago challenging the established history of the New World. (The family buried this baby girl just beneath their home like the practice in ancient Mesopotamia, the Hebrews who sojourned in Egypt, and in Çatalhöyük in southern Turkey, one of the world's most ancient settlements.) - or was that 130,000? years ago as the journal Nature rewrites human history with a wild date for New World site - and find a jawbone and rewrite human history with a modern looking yet allegedly 180,000-year-old jawbone from Israel which "may rewrite the early migration story of our species" by about 100,000 years, per the journal Science - re-date a primate and lose yet another "missing link" between "Lucy" and humans, as Homo naledi sheds a couple million years off its age and drops from supposedly two million years old to (still allegedly) about 250,000 years old, far too "young" to be the allegedly missing link - re-analysis of the "best candidate" for the most recent ancestor to human beings, Australopithecus sediba, turns out to be a juvenile Lucy-like ape, as Science magazine reports work presented at the American Association of Physical Anthropologists 2017 annual meeting - find skulls in Morocco and "rewrite human history" admits the journal Nature, falsifying also the "East Africa" part of the canonical story - and from the You Can't Make This Stuff Up file, NPR reports in April 2019, Ancient Bones And Teeth Found In A Philippine Cave May Rewrite Human History. :) - Meanwhile, whereas every new discovery requires the materialists to rewrite human history, no one has had to rewrite Genesis, not even once. Yet, "We're not claiming that the Bible is a science textbook. Not at all. For the textbooks have to be rewritten all the time!"  - And even this from Science: "humans mastered the art of training and controlling dogs thousands of years earlier than previously thought."- RSR's Enyart commented on the Smithsonian's 2019 article on ancient DNA possibly deconstructing old myths...  This Smithsonian article about an ancient DNA paper in Science Advances, or actually, about the misuse of such papers, was itself a misuse. The published research, Ancient DNA sheds light on the genetic origins of early Iron Age Philistines, confirmed Amos 9:7 by documenting the European origin of the biblical Philistines who came from the island of Caphtor/Crete. The mainstream media completely obscured this astounding aspect of the study but the Smithsonian actually stood the paper on its head. [See also rsr.org/archaeology.]* Also Squeezing Darwin's Theory: - Evolution happens so slowly that we can't see it, yet - it happens so fast that millions of mutations get fixed in a blink of geologic time AND: - Observing a million species annually should show us a million years of evolution, but it doesn't, yet - evolution happens so fast that the billions of "intermediary" fossils are missing AND: - Waiting for helpful random mutations to show up explains the slowness of evolution, yet - adaption to changing environments is often immediate, as with Darwin's finches Finches Adapt in 17 Years, Not 2.3 Million: Charles Darwin's finches are claimed to have taken 2,300,000 years to diversify from an initial species blown onto the Galapagos Islands. Yet individuals from a single finch species on a U.S. Bird Reservation in the Pacific were introduced to a group of small islands 300 miles away and in at most 17 years, like Darwin's finches, they had diversified their beaks, related muscles, and behavior to fill various ecological niches. So Darwin's finches could diversify in just 17 years, and after 2.3 million more years, what had they evolved into? Finches! Hear this also at rsr.org/lee-spetner and see Jean Lightner's review of the Grants' 40 Years. AND: - Fossils of modern organisms are found "earlier" and "earlier" in the geologic column, and - the "oldest" organisms are increasingly found to have anatomical, proteinaceous, prokaryotic, and eukaryotic sophistication and similarity to "modern" organisms AND: - Small populations are in danger of extinction (yet they're needed to fix mutations), whereas - large populations make it impossible for a mutation to become standard AND: - Mutations that express changes too late in an organism's development can't effect its fundamental body plan, and - mutations expressed too early in an organism's development are fatal (hence among the Enyart sayings, "Like evolving a vital organ, most major hurdles for evolutionary theory are extinction-level events.") AND: - To evolve flight, you'd get bad legs - long before you'd get good wings AND: - Most major evolutionary hurdles appear to be extinction-level events- yet somehow even *vital* organs evolve (for many species, that includes reproductive organs, skin, brain, heart, circulatory system, kidney, liver, pancreas, stomach, small intestines, large intestines, lungs -- which are only a part of the complex respiration system) AND: - Natural selection of randomly taller, swifter, etc., fish, mammals, etc. explains evolution yet - development of microscopic molecular machines, feedback mechanisms, etc., which power biology would be oblivous to what's happening in Darwin's macro environment of the entire organism AND: - Neo-Darwinism suggests genetic mutation as the engine of evolution yet - the there is not even a hypothesis for modifying the vast non-genetic information in every living cell including the sugar code, electrical code, the spatial (geometric) code, and the epigenetic code AND: - Constant appeals to "convergent" evolution (repeatedly arising vision, echolocation, warm-bloodedness, etc.) - undermine most Darwinian anatomical classification especially those based on trivialities like odd or even-toed ungulates, etc. AND: - Claims that given a single species arising by abiogenesis, then - Darwinism can explain the diversification of life, ignores the science of ecology and the (often redundant) biological services that species rely upon AND: - humans' vastly superior intelligence indicates, as bragged about for decades by Darwinists, that ape hominids should have the greatest animal intelligence, except that - many so-called "primitive" creatures and those far distant on Darwin's tee of life, exhibit extraordinary rsr.org/animal-intelligence even to processing stimuli that some groups of apes cannot AND: - Claims that the tree of life emerges from a single (or a few) common ancestors - conflict with the discoveries of multiple genetic codes and of thousands of orphan genes that have no similarity (homology) to any other known genes AND (as in the New Scientist cover story, "Darwin Was Wrong about the tree of life", etc.): - DNA sequences have contradicted anatomy-based ancestry claims - Fossil-based ancestry claims have been contradicted by RNA claims - DNA-based ancestry claims have been contradicted by anatomy claims - Protein-based ancestry claims have been contradicted by fossil claims. - And the reverse problem compared to a squeeze. Like finding the largest mall in America built to house just a kid's lemonade stand, see rsr.org/200 for the astounding lack of genetic diversity in humans, plants, and animals, so much so that it could all be accounted for in just about 200 generations! - The multiplied things that evolved multiple times - Etc. * List of Ways Darwinists Invent their Tree of Life, aka Pop Goes the Weasle – Head and Shoulders, Knees and Toes: Evolutionists change their selection of what evidence they use to show 'lineage', from DNA to fossils to genes to body plans to teeth to many specific anatomical features to proteins to behavior to developmental similarities to habitat to RNA, etc. and to a combination of such. Darwinism is an entire endeavor based on selection bias, a kind of logical fallacy. By anti-science they arbitrarily select evidence that best matches whichever evolutionary story is currently preferred." -Bob E. The methodology used to create the family tree edifice to show evolutionary relationships classifies the descent of organisms based on such attributes as odd-toed and even-toed ungulates. Really? If something as wildly sophisticated as vision allegedly evolved multiple times (a dozen or more), then for cryin' out loud, why couldn't something as relatively simple as odd or even toes repeatedly evolve? How about dinosaur's evolving eggs with hard shells? Turns out that "hard-shelled eggs evolved at least three times independently in dinosaurs" (Nature, 2020). However, whether a genus has an odd or even number of toes, and similar distinctions, form the basis for the 150-year-old Darwinist methodology. Yet its leading proponents still haven't acknowledged that their tree building is arbitrary and invalid. Darwin's tree recently fell anyway, and regardless, it has been known to be even theoretically invalid all these many decades. Consider also bipedalism? In their false paradigm, couldn't that evolve twice? How about vertebrate and non-vertebrates, for that matter, evolving multiple times? Etc., etc., etc. Darwinists determine evolutionary family-tree taxonomic relationships based on numbers of toes, when desired, or on hips (distinguishing, for example, dinosaur orders, until they didn't) or limb bones, or feathers, or genes, or fossil sequence, or neck bone, or..., or..., or... Etc. So the platypus, for example, can be described as evolving from pretty much whatever story would be in vogue at the moment...   * "Ancient" Protein as Advanced as Modern Protein: A book review in the journal Science states, "the major conclusion is reached that 'analyses made of the oldest fossils thus far studied do not suggest that their [allegedly 145-million year-old] proteins were chemically any simpler than those now being produced.'" 1972, Biochemistry of Animal Fossils, p. 125 * "Ancient" Lampreys Just Modern Lampreys with Decomposed Brain and Mouth Parts: Ha! Researches spent half-a-year documenting how fish decay. RSR is so glad they did! One of the lessons learned? "[C]ertain parts of the brain and the mouth that distinguish the animals from earlier relatives begin a rapid decay within 24 hours..." :) * 140-million Year Old Spider Web: The BBC and National Geographic report on a 140-million year old spider web in amber which, as young-earth creationists expect, shows threads that resemble silk spun by modern spiders. Evolutionary scientists on the otherhand express surprise "that spider webs have stayed the same for 140 million years." And see the BBC. * Highly-Credentialed Though Non-Paleontologist on Flowers: Dr. Harry Levin who spent the last 15 years of a brilliant career researching paleontology presents much evidence that flowering plants had to originate not 150 million years ago but more than 300 million years ago. (To convert that to an actual historical timeframe, the evidence indicates flowers must have existed prior to the time that the strata, which is popularly dated to 300 mya, actually formed.) * Rampant Convergence: Ubiquitous appeals to "convergent" evolution (vision, echolocation, warm-bloodedness, icthyosaur/dolphin anatomy, etc.), all allegedly evolving multiple times, undermines anatomical classification based on trivialities like odd or even-toed ungulates, etc. * Astronomy's Big Evolution Squeeze: - Universe a billion, wait, two billion, years younger than thought   (so now it has to evolve even more impossibly rapidly) - Sun's evolution squeezes biological evolution - Galaxies evolving too quickly - Dust evolving too quickly - Black holes evolving too quickly - Clusters of galaxies evolving too quickly. * The Sun's Evolution Squeezes Life's Evolution: The earlier evolutionists claim that life began on Earth, the more trouble they have with astrophysicists. Why? They claim that a few billion years ago the Sun would have been far more unstable and cooler. The journal Nature reports that the Faint young Sun paradox remains for the "Sun was fainter when the Earth was young, but the climate was generally at least as warm as today". Further, our star would shoot out radioactive waves many of which being violent enough to blow out Earth's atmosphere into space, leaving Earth dead and dry like Mars without an atmosphere. And ignoring the fact that powerful computer simulators cannot validate the nebula theory of star formation, if the Sun had formed from a condensing gas cloud, a billion years later it still would have been emitting far less energy, even 30% less, than it does today. Forget about the claimed one-degree increase in the planet's temperature from man-made global warming, back when Darwinists imagine life arose, by this just-so story of life spontaneously generating in a warm pond somewhere (which itself is impossible), the Earth would have been an ice ball, with an average temperature of four degrees Fahrenheit below freezing! See also CMI's video download The Young Sun. * Zircons Freeze in Molten Eon Squeezing Earth's Evolution? Zircons "dated" 4 to 4.4 billion years old would have had to freeze (form) when the Earth allegedly was in its Hadean (Hades) Eon and still molten. Geophysicist Frank Stacey (Cambridge fellow, etc.) has suggested they may have formed above ocean trenches where it would be coolest. One problem is that even further squeezes the theory of plate tectonics requiring it to operate two billion years before otherwise claimed. A second problem (for these zircons and the plate tectonics theory itself) is that ancient trenches (now filled with sediments; others raised up above sea level; etc.) have never been found. A third problem is that these zircons contain low isotope ratios of carbon-13 to carbon-12 which evolutionists may try to explain as evidence for life existing even a half-billion years before they otherwise claim. For more about this (and to understand how these zircons actually did form) just click and then search (ctrl-f) for: zircon character. * Evolution Squeezes Life to Evolve with Super Radioactivity: Radioactivity today breaks chromosomes and produces neutral, harmful, and fatal birth defects. Dr. Walt Brown reports that, "A 160-pound person experiences 2,500 carbon-14 disintegrations each second", with about 10 disintergrations per second in our DNA. Worse for evolutionists is that, "Potassium-40 is the most abundant radioactive substance in... every living thing." Yet the percentage of Potassium that was radioactive in the past would have been far in excess of its percent today. (All this is somewhat akin to screws in complex machines changing into nails.) So life would have had to arise from inanimate matter (an impossibility of course) when it would have been far more radioactive than today. * Evolution of Uranium Squeezed by Contrasting Constraints: Uranium's two most abundant isotopes have a highly predictable ratio with 235U/238U equaling 0.007257 with a standard deviation of only 0.000017. Big bang advocates claim that these isotopes formed in distant stellar cataclysms. Yet that these isotopes somehow collected in innumerable small ore bodies in a fixed ratio is absurd. The impossibility of the "big bang" explanation of the uniformity of the uranium ratio (rsr.org/bb#ratio) simultaneously contrasts in the most shocking way with its opposite impossibility of the missing uniform distribution of radioactivity (see rsr.org/bb#distribution) with 90% of Earth's radioactivity in the Earth's crust, actually, the continental crust, and even at that, preferentially near granite! A stellar-cataclysmic explanation within the big bang paradigm for the origin of uranium is severely squeezed into being falsified by these contrasting constraints. * Remarkable Sponges? Yes, But For What Reason? Study co-author Dr. Kenneth S. Kosik, the Harriman Professor of Neuroscience at UC Santa Barbara said, "Remarkably, the sponge genome now reveals that, along the way toward the emergence of animals, genes for an entire network of many specialized cells evolved and laid the basis for the core gene logic of organisms that no longer functioned as single cells." And then there's this: these simplest of creatures have manufacturing capabilities that far exceed our own, as Degnan says, "Sponges produce an amazing array of chemicals of direct interest to the pharmaceutical industry. They also biofabricate silica fibers directly from seawater in an environmentally benign manner, which is of great interest in communications [i.e., fiber optics]. With the genome in hand, we can decipher the methods used by these simple animals to produce materials that far exceed our current engineering and chemistry capabilities." Kangaroo Flashback: From our RSR Darwin's Other Shoe program: The director of Australia's Kangaroo Genomics Centre, Jenny Graves, that "There [are] great chunks of the human genome… sitting right there in the kangaroo genome." And the 20,000 genes in the kangaroo (roughly the same number as in humans) are "largely the same" as in people, and Graves adds, "a lot of them are in the same order!" CMI's Creation editors add that "unlike chimps, kangaroos are not supposed to be our 'close relatives.'" And "Organisms as diverse as leeches and lawyers are 'built' using the same developmental genes." So Darwinists were wrong to use that kind of genetic similarity as evidence of a developmental pathway from apes to humans. Hibernating Turtles: Question to the evolutionist: What happened to the first turtles that fell asleep hibernating underwater? SHOW UPDATE Of Mice and Men: Whereas evolutionists used a very superficial claim of chimpanzee and human genetic similarity as evidence of a close relationship, mice and men are pretty close also. From the Human Genome Project, How closely related are mice and humans?, "Mice and humans (indeed, most or all mammals including dogs, cats, rabbits, monkeys, and apes) have roughly the same number of nucleotides in their genomes -- about 3 billion base pairs. This comparable DNA content implies that all mammals [RSR: like roundworms :)] contain more or less the same number of genes, and indeed our work and the work of many others have provided evidence to confirm that notion. I know of only a few cases in which no mouse counterpart can be found for a particular human gene, and for the most part we see essentially a one-to-one correspondence between genes in the two species." * Related RSR Reports: See our reports on the fascinating DNA sequencing results from roundworms and the chimpanzee's Y chromosome! * Genetic Bottleneck, etc: Here's an excerpt from rsr.org/why-was-canaan-cursed... A prediction about the worldwide distribution of human genetic sequencing (see below) is an outgrowth of the Bible study at that same link (aka rsr.org/canaan), in that scientists will discover a genetic pattern resulting from not three but four sons of Noah's wife. Relevant information comes also from mitochondrial DNA (mtDNA) which is not part of any of our 46 chromosomes but resides outside of the nucleus. Consider first some genetic information about Jews and Arabs, Jewish priests, Eve, and Noah. Jews and Arabs Biblical Ancestry: Dr. Jonathan Sarfati quotes the director of the Human Genetics Program at New York University School of Medicine, Dr. Harry Ostrer, who in 2000 said: Jews and Arabs are all really children of Abraham … And all have preserved their Middle Eastern genetic roots over 4,000 years. This familiar pattern, of the latest science corroborating biblical history, continues in Dr. Sarfati's article, Genesis correctly predicts Y-Chromosome pattern: Jews and Arabs shown to be descendants of one man. Jewish Priests Share Genetic Marker: The journal Nature in its scientific correspondence published, Y Chromosomes of Jewish Priests, by scie

An ancient cemetery in western China may hold the answer to a question asked by many a stoner: where on Earth did humans first smoke weed to get high? Learn more about the cemetery in this 2019 paper in Science Advances. Keep up with Rob Spengler's archaeobotany lab here.

In this episode of the Policing Matters podcast, we explore the groundbreaking work of the FBI Behavioral Science Unit. Host Jim Dudley interviews retired FBI agent Jana Monroe, who shares her expertise in serial killer profiling and her experience consulting on notorious cold cases in her book, “Heart of Darkness.” Monroe, who is known as the real-life inspiration for Clarice Starling in “Silence of the Lambs,” discusses advancements in forensic science and the importance of ethics in true crime media. As one of the first female agents in the FBI Behavioral Science Unit – now known as the Behavioral Analysis Unit – Jana Monroe was involved in over 850 homicide investigations, helping shape FBI profiling techniques used today. About our sponsor This episode of the Policing Matters podcast is sponsored by OfficerStore. Learn more about getting the gear you need at prices you can afford by visiting OfficerStore.com.

The gang discusses two papers that detail interesting findings about the soft tissues of extinct arthropods. The first paper does a detailed study of the limbs attached to the trilobite head. The second paper describes the newly discovered head of the ancient myriapod Arthropluera, and discusses the larger implications this fossil has for the evolution of millipedes. Meanwhile, Curt explores new advertising ventures, Amanda unpacks automotive anxiety, and James has no ethical complications to report concerning this podcast.   Up-Goer Five (Curt Edition): The friends look at two papers that look at parts of dead animals that have lots of parts that repeat over and over again and take off their skin every time they get bigger. The first paper looks at a group of these dead animals that are no longer around but are found a lot in the past. This paper shows that the number of legs in the head is different than we thought it was. They show that there are five legs in the head, and that it was hard to see in a lot of these animals because of the ways that we get these animals in the rocks makes it harder to see. The second paper looks at an animal that we think is a lot like animals we see today with long bodies and two legs on each part. But we never actually found the head of these animals. This paper finds the head and it helps to show us a lot of cool things about not just these animals in the past, but also how these animals have changed over time. This helps us understand why the groups we have today are the way that they are.   References: Lhéritier, Mickaël, et al. "Head anatomy and phylogenomics show the Carboniferous giant Arthropleura belonged to a millipede-centipede group." Science Advances 10.41 (2024): eadp6362. Hou, Jin‐bo, and Melanie J. Hopkins. "New evidence for five cephalic appendages in trilobites and implications for segmentation of the trilobite head." Palaeontology 67.5 (2024): e12723.

Chegou o momento do já tradicional episódio duplo sobre o IgNobel, que tem como missão "honrar estudos e experiências que primeiro fazem as pessoas rir e depois pensar", com as descobertas científicas mais estranhas do ano.Esta é a segunda e última parte sobre a edição 2024 do prêmio, que teve como tema a "Lei de Murphy", com as categorias Fisiologia, Probabilidade, Química, Demografia e Paz.Confira no papo entre o leigo curioso, Ken Fujioka, e o cientista PhD, Altay de Souza.> OUÇA (40min 55s)*Naruhodo! é o podcast pra quem tem fome de aprender. Ciência, senso comum, curiosidades, desafios e muito mais. Com o leigo curioso, Ken Fujioka, e o cientista PhD, Altay de Souza.Edição: Reginaldo Cursino.http://naruhodo.b9.com.br*REFERÊNCIASPRÊMIO DE FISIOLOGIA [JAPÃO, EUA]Ryo Okabe, Toyofumi F. Chen-Yoshikawa, Yosuke Yoneyama, Yuhei Yokoyama, Satona Tanaka, Akihiko Yoshizawa, Wendy L. Thompson, Gokul Kannan, Eiji Kobayashi, Hiroshi Date e Takanori Takebe, por descobrir que muitos mamíferos são capazes de respirar pelo ânus.REFERÊNCIA: “Mammalian Enteral Ventilation Ameliorates Respiratory Failure,” Ryo Okabe et al., Med, vol. 2, 11 de junho de 2021.QUEM FOI À CERIMÔNIA: Takanori Takebe, Toyofumi Chen-Yoshikawa, Ryo Okabe, Eiji Kobayashi, Yosuke Yoneyama, Yuhei Yokoyama.https://www.sciencedirect.com/science/article/pii/S2666634021001537PRÊMIO DE PROBABILIDADE [HOLANDA, SUÍÇA, BÉLGICA, FRANÇA, ALEMANHA, HUNGRIA, REPÚBLICA TCHECA]František Bartoš, Eric-Jan Wagenmakers, Alexandra Sarafoglou, Henrik Godmann e muitos colegas, por mostrar, tanto na teoria quanto em 350.757 experimentos, que ao jogar uma moeda, ela tende a cair no mesmo lado que começou.REFERÊNCIA: “Fair Coins Tend to Land on the Same Side They Started,” František Bartoš et al., arXiv 2310.04153, 2023.QUEM FOI À CERIMÔNIA: Frantisek Bartos e Eric-Jan Wagenmakers.https://arxiv.org/abs/2310.04153Naruhodo #233 - O que é o "efeito cumbuca"?https://www.youtube.com/watch?v=fW6uoBmt83cPRÊMIO DE QUÍMICA [HOLANDA, FRANÇA]Tess Heeremans, Antoine Deblais, Daniel Bonn e Sander Woutersen, por usar cromatografia para separar vermes bêbados de vermes sóbrios.REFERÊNCIA: “Chromatographic Separation of Active Polymer–Like Worm Mixtures by Contour Length and Activity,” Tess Heeremans et al., Science Advances, vol. 8, nº 23, 2022.QUEM FOI À CERIMÔNIA: Tess Heeremans, Antoine Deblais, Daniel Bonn, Sander Woutersen.https://www.science.org/doi/10.1126/sciadv.abj7918Naruhodo #339 - Por que as coisas parecem girar quando estamos bêbados?https://www.youtube.com/watch?v=YmK1Yq0mwW8Naruhodo #52 - No bar, fazer xixi uma primeira vez aumenta a vontade de urinar mais vezes?https://www.youtube.com/watch?v=WMUrKMHJovcPRÊMIO DE DEMOGRAFIA [AUSTRÁLIA, REINO UNIDO]Saul Justin Newman, por trabalho investigativo que descobriu que muitas das pessoas famosas por terem as vidas mais longas viveram em lugares com péssimos registros de nascimento e morte.REFERÊNCIAS: “Supercentenarians and the Oldest-Old Are Concentrated into Regions with No Birth Certificates and Short Lifespans,” Saul Justin Newman, BioRxiv, 2019; https://www.biorxiv.org/content/10.1101/704080v1“Supercentenarian and Remarkable Age Records Exhibit Patterns Indicative of Clerical Errors and Pension Fraud,” Saul Justin Newman, BioRxiv, 2024.QUEM FOI À CERIMÔNIA: Saul Justin Newman.https://www.biorxiv.org/content/10.1101/704080v3PRÊMIO DA PAZ [EUA]B.F. Skinner, por experimentos para verificar a viabilidade de abrigar pombos vivos dentro de mísseis para guiar suas trajetórias.REFERÊNCIA: “Pigeons in a Pelican,” B.F. Skinner, American Psychologist, vol. 15, nº 1, 1960, pp. 28-37.QUEM FOI À CERIMÔNIA: A filha de B.F. Skinner, Julie Skinner Vargas.https://www.appstate.edu/~steelekm/classes/psy3214/Documents/Skinner1960.pdf*APOIE O NARUHODO PELA PLATAFORMA ORELO!Um aviso importantíssimo: o podcast Naruhodo agora está no Orelo: https://bit.ly/naruhodo-no-oreloE é por meio dessa plataforma de apoio aos criadores de conteúdo que você ajuda o Naruhodo a se manter no ar.Você escolhe um valor de contribuição mensal e tem acesso a conteúdos exclusivos, conteúdos antecipados e vantagens especiais.Além disso, você pode ter acesso ao nosso grupo fechado no Telegram, e conversar comigo, com o Altay e com outros apoiadores.E não é só isso: toda vez que você ouvir ou fizer download de um episódio pelo Orelo, vai também estar pingando uns trocadinhos para o nosso projeto.Então, baixe agora mesmo o app Orelo no endereço Orelo.CC ou na sua loja de aplicativos e ajude a fortalecer o conhecimento científico.https://bit.ly/naruhodo-no-orelo

SpaceTime Series 27 Episode 123*Discovery of a New Region within the Earth's CoreScientists have uncovered a doughnut-shaped region within Earth's molten liquid outer core, located at low latitudes parallel to the equator. This torus-like zone was detected due to seismic waves travelling slower through this area compared to the rest of the liquid outer core. The discovery, published in Science Advances, suggests that this region could be several hundred kilometres thick and contains a high concentration of light chemical elements, which may be affecting the seismic wave speeds. The findings provide new insights into the Earth's magnetic field and its potential future changes.*Fresh Questions about the True Origins of the Earth's MoonA new hypothesis challenges the widely accepted giant impact theory of the Moon's formation. The study proposes that the Moon was captured during a close encounter between the young Earth and a separate terrestrial binary planetary system. This theory could explain the Moon's current orbital plane, more aligned with the sun's ecliptic than Earth's equator. The study opens the door to further exploration of the Moon's origins, especially considering its chemical similarities to Earth.*New Study Reveals More Secrets about Pluto's Binary Partner, CharonNASA's Webb Space Telescope has revealed that Charon, Pluto's binary partner, has significant reserves of carbon dioxide and hydrogen peroxide on its surface. The carbon dioxide ice forms a thin veneer over a water ice-rich subsurface. The study, published in Nature Communications, suggests that the carbon dioxide was likely stored beneath the surface until exposed by impacts, while hydrogen peroxide results from radiation breaking apart water ice. These findings add to the understanding of Charon's chemical composition and its geological history.00:00:00 - This is spacetime series 27, episode 123 for broadcast on 11 October 202400:00:46 - Scientists have detected a new doughnut shaped region within the Earth's molten liquid core00:12:31 - A new study has come up with a different hypothesis to explain the origin of the moon00:17:46 - NASA's Webb Space Telescope reveals vast reserves of carbon dioxide on Pluto's surface00:21:19 - People with type two diabetes who sleep short may develop microvascular disease00:24:23 - Movie producers claim they've accidentally captured footage of a lake monster00:27:23 - Spacetime is available every Monday, Wednesday and Friday through various podcasting platformswww.spacetimewithstuartgary.comwww.bitesz.com

SpaceTime Series 27 Episode 120*Planet Earth Just Got a Second MoonPlanet Earth has temporarily acquired a second moon, a tiny near-Earth asteroid named 2024 PTS. Captured by Earth's gravitational field on September 29, this 10-metre wide Space rock will remain in orbit until November 25, making it one of only five known mini moons. Discovered by the Atlas asteroid terrestrial impact last alert system, 2024 PTS belongs to the Arjuna asteroid group and is too small to be seen with the naked eye but can be observed through a telescope.*Mars' Missing Atmosphere Could Be in Its CrustA new study suggests Mars' missing atmosphere could be hiding in plain sight within the planet's crust. The research, published in the journal Science Advances, posits that ancient water on Mars may have reacted with the planet's ultramafic igneous rocks to form smectite clays, trapping carbon dioxide and converting it into methane. This process could account for up to 80% of Mars' initial atmosphere, providing a potential future energy source for human missions.*Record Stay Aboard the International Space StationTwo Russian cosmonauts have returned to Earth after a record-breaking 374-day stay aboard the International Space Station (ISS). Their mission marks the longest continuous time spent on the ISS by any humans. The pair, along with an American astronaut who spent six months on the station, landed safely in Kazakhstan aboard the Soyuz MS-25 capsule. The current ISS crew includes eight members, with some scheduled to return to Earth in February next year aboard a SpaceX Dragon capsule.00:00:00 " New study claims Mars could be hiding its missing atmosphere in plain sight00:00:27 " The asteroid 2024 PTS was temporarily captured by Earth on September 2900:04:35 " A new study claims the missing martian atmosphere could be hiding in the crust00:10:54 " Two Russian cosmonauts have landed safely on Kazakhstan steppe00:12:18 " October is the last day of the month celebrated as All Hallows Eve00:15:37 " Astronomers describe stars in terms of spectral types based on temperature00:24:33 " October has three great meteor showers, the draconids, the Taurids00:29:40 " October is a great time to start stargazing00:34:42 " October is the best time of year to see many southern constellations00:36:30 " In the evening we've got Venus and Saturn above the western horizon00:38:47 " Space Time is available every Monday, Wednesday and Friday through Apple Podcastswww.spacetimewithstuartgary.comwww.bitesz.com

In this 243rd in a series of live discussions with Bret Weinstein and Heather Heying (both PhDs in Biology), we talk about the state of the world through an evolutionary lens.In this week's episode, we discuss the evidence for the traps being laid by Goliath, continuing last episode's discussion of the presidential debate. Then: sex, gender, meaning, and identity. What kind of science is being done that concludes that sex and gender are not just distinct, but unrelated? And why are 10 year olds being asked if they're transgender, or how much they feel like a boy, or a girl? While “scientists” use models to produce results that make no sense, adolescents stop pursuing meaning, which is dynamic and expands one's horizons, and instead focus on identity, which is all too-often a static dead-end.*****Our sponsors:CrowdHealth: Pay for healthcare with crowdfunding instead of insurance. It's way better. Use code DarkHorse at JoinCrowdHealth.com to get 1st 3 months for $99/month.Manukora: the most flavorful, delicious, and nutritious honey you'll ever have. Get $25 off your starter kit at www.Manukora.com/DarkHorseARMRA: Colostrum is our first food, and can help restore your health and resilience as an adult. Go to www.tryarmra.com/DARKHORSE to get 15% off your first order.*****Join us on Locals! Get access to our Discord server, exclusive live streams, live chats for all streams, and early access to many podcasts: https://darkhorse.locals.com/Heather's newsletter, Natural Selections (subscribe to get free weekly essays in your inbox): https://naturalselections.substack.comOur book, A Hunter-Gatherer's Guide to the 21st Century, is available everywhere books are sold, including from Amazon: https://a.co/d/dunx3atCheck out our store! Epic tabby, digital book burning, saddle up the dire wolves, and more: https://darkhorsestore.org*****Mentioned in this episode:Traps abound: https://x.com/thedarkhorsepod/status/1834608617330512197Dhamala et al 2024. Functional brain networks are associated with both sex and gender in children. Science Advances, 10(28), p.eadn4202: https://www.science.org/doi/10.1126/sciadv.adn4202 Potter et al 2022. Measurement of gender and sexuality in the Adolescent Brain Cognitive Development (ABCD) study. Developmental Cognitive Neuroscience, 53, p.101057: https://www.sciencedirect.com/science/article/pii/S1878929322000019Potter et al 2020. Early adolescent gender diversity and mental health in the Adolescent Brain Cognitive Development study. Journal of Child Psychology and Psychiatry, 62(2):171-179:https://acamh.onlinelibrary.wiley.com/doi/10.1111/jcpp.13248Support the show