KERA's Think

Of all the renewable energy sources, the one most overlooked might be the one to save us all. New Yorker staff writer Rivka Galchen joins host Krys Boyd to discuss geothermal energy, which pulls energy from the ground. And while it's been used successfully in volcanic hotspots, we'll consider why, as of yet, the U.S. has declined to invest or even encourage its development. Her article is “Why the Time Has Finally Come for Geothermal Energy.” Learn about your ad choices: dovetail.prx.org/ad-choices

Neuroscientists have successfully altered memories in a lab, and yours could be next. Steve Ramirez, neuroscientist and associate professor of psychological and brain sciences at Boston University, joins host Krys Boyd to discuss how certain memories might be edited with pulses of light, what this means for people dealing with life-altering trauma, and how we figured out how to manipulate the mind. His book is “How to Change a Memory: One Neuroscientist's Quest to Alter the Past.“ Learn about your ad choices: dovetail.prx.org/ad-choices

If the 9-to-5 grind gets you down, maybe it's time to do more with your life. Rutger Bregman, historian and co-founder of The School for Moral Ambition, joins host Krys Boyd to discuss why so many people feel like their jobs don't make a difference in the world and how we can instead use our talent and education to focus on the world's biggest problems. His book is “Moral Ambition: Stop Wasting Your Talent and Start Making a Difference.” Learn about your ad choices: dovetail.prx.org/ad-choices

The phrase “Black girl magic” has deep roots in enslaved women's lives. Lindsey Stewart is associate professor of philosophy at the University of Memphis, and she joins host Krys Boyd to discuss the medicine that stemmed from African traditions that was often more trusted than white doctors' advice, how this magic was passed down through generations, and how it endures today. Her book is “The Conjuring of America: Mojos, Mermaids, Medicine, and 400 Years of Black Women's Magic.” Learn about your ad choices: dovetail.prx.org/ad-choices

“By Jove, I think I've got it!” A-ha moments can feel electrifying, but where do these bursts of insight come from? John Kounios is professor in the Department of Psychological and Brain Sciences and director of the Creativity Research Lab at Drexel University. He joins host Krys Boyd to discuss what scientists understand about how the brain solves problems – and how we might tap into this phenomenon more often. His article “The Brain Science of Elusive ‘Aha! Moments'” was published in Scientific American. Learn about your ad choices: dovetail.prx.org/ad-choices

The English language is full of words that both communicate and confound. Martha Barnette, co-host of the popular radio show and podcast “A Way with Words,” joins host Krys Boyd to discuss her love of language and all the myriad ways words bring us joy, how words can surprise and delight us, and why the meaning of some words can often be tricky to determine. Her book is “Friends with Words: Adventures in Languageland.” Learn about your ad choices: dovetail.prx.org/ad-choices

Acing that Mensa test might not be the definite sign of genius you think it is. Helen Lewis is a staff writer at The Atlantic and host of the BBC podcast series “The New Gurus” and “Helen Lewis Has Left the Chat”. She joins host Krys Boyd to discuss why the very idea of “genius” is a social construct, why the label excludes as much as it includes, and why it's time to look at creativity in a new way. Her book is “The Genius Myth: A Curious History of a Dangerous Idea.” Learn about your ad choices: dovetail.prx.org/ad-choices

The brain operates all of our thoughts, feelings and movements — and it also helps us adjust to a rapidly changing environment. This hour, host Krys Boyd is joined by three guests who will explain how we can regain our ability to focus and tame our overactive minds – plus we'll learn all about the growing research into the many ways listening to music benefits our brains. Learn about your ad choices: dovetail.prx.org/ad-choices

For many, “The Great British Bakeoff” is must-see TV – and watching it has taught us a lot about food. Ruby Tandoh is a journalist who was also a finalist on the show, and she joins host Krys Boyd to discuss how everyone is a “foodie” now, why hard-to-find ingredients are all the rage even in the Average Joe's kitchen, and how unlimited access to recipes online has made us more discerning. Her book is “All Consuming: Why We Eat the Way We Eat Now.” Learn about your ad choices: dovetail.prx.org/ad-choices

Happiness may feel elusive, but there are some proven strategies to get you there. Arthur C. Brooks is Parker Gilbert Montgomery Professor at the Harvard Kennedy School and a professor of management practice at Harvard Business School. He is also a columnist at The Atlantic, where he writes the weekly “How to Build a Life” column. He joins host Krys Boyd to discuss a compendium of his columns about the pursuit of happiness, how we can conquer our worries, and when it's time to stop pursuing perfection. His book is “The Happiness Files: Insights on Work and Life.” Learn about your ad choices: dovetail.prx.org/ad-choices

Our genes don't really determine how well we'll age in later life — and that's good news. Dr. Eric Topol is executive vice president and a professor of molecular medicine at Scripps Research, the largest nonprofit biomedical institute in the United States. He's also a practicing cardiologist, and he joins host Krys Boyd to discuss the study of what he calls the “wellderly” – those people who age to 80 without chronic disease – and the findings that he says can help us all reach that milestone. His book is “Super Agers: An Evidence-Based Approach to Longevity.”  Learn about your ad choices: dovetail.prx.org/ad-choices

Sleep tracking technology can tell you how long you slumbered, but it can't get you there. Jennifer Senior, staff writer at The Atlantic, joins host Krys Boyd to discuss sleep anxiety, why we find it so hard to get a good night's rest, and why hunting for the best how-to articles on the topic might be making things worse. Her article is “Why Can't Americans Sleep?” Learn about your ad choices: dovetail.prx.org/ad-choices

The early 2000s preached “girl power” to the masses — but that often looked like sex and plastic surgery. Sophie Gilbert, staff writer at The Atlantic, joins host Krys Boyd to discuss what coming of age in the early aughts meant for young women in an atmosphere of highly sexualized body image, how porn manifested itself into pop culture, and what society had to say about powerful women. Her book is “Girl on Girl: How Pop Culture Turned a Generation of Women Against Themselves.” Learn about your ad choices: dovetail.prx.org/ad-choices

The difference between top performers and the rest of us can often be traced back to an ability to maximize potential. Adam Grant is an organizational psychologist at the Wharton School, and he joins host Krys Boyd to discuss strategies for Average Joe's to excel. His book is “Hidden Potential: The Science of Achieving Greater Things.”This episode originally aired, November 13th 2023. Learn about your ad choices: dovetail.prx.org/ad-choices

If A.I. can write a song with just you in mind, will you still be able to share that musical experience with others? Joshua Rothman, a staff writer for The New Yorker, joins host Krys Boyd to discuss what happens to culture when we rely on A.I. to generate visual art or music, what it means for engaging in difficult subjects, and what machine-generated art means for our very human desires. His article is “A.I. Is Coming for Culture.”This episode originally aired October 1st, 2025. Learn about your ad choices: dovetail.prx.org/ad-choices

One thread, often barely acknowledged, always present in violent extremist attacks: misogyny. Cynthia Miller-Idriss is a sociologist and professor in the School of Public Affairs and the School of Education at American University, where she is the founding director of the Polarization and Extremism Research and Innovation Lab (PERIL). She joins host Krys Boyd to discuss why we need to confront misogyny head on to prevent future acts of violence, and why attackers so often blame women for their hateful beliefs. Her book is “Man Up: The New Misogyny and the Rise of Violent Extremism.” Learn about your ad choices: dovetail.prx.org/ad-choices

A great book transports and educates—and the New York Times has the best ones from 2025. Gilbert Cruz, NYT Book Review editor, joins host Krys Boyd to talk about the best five fiction and five nonfiction selections to earn the title this year, from WWI battlefields to marriage on a shipwrecked vessel, and discusses the process of choosing the best of the best. Learn about your ad choices: dovetail.prx.org/ad-choices

For some people, the ability to visualize a treasured memory or even a loved one's face just isn't possible. New Yorker staff writer Larissa MacFarquhar joins guest host Courtney Collins to discuss a condition that makes it impossible for people to put their thoughts into mental images, the huge effect that has on other parts of their lives and how researchers can use the condition to help study trauma. Her article is “Some People Can't See Mental Images. The Consequences Are Profound.” Learn about your ad choices: dovetail.prx.org/ad-choices

“Sweet dreams,” we say at bedtime. But why do we dream at all? And what happens when we're plagued by nightmares? Michelle Carr is director of the Dream Engineering Laboratory in the Center for Advanced Research in Sleep Medicine, an assistant professor at the University of Montreal and a former president of the International Association for the Study of Dreams. She joins guest host Courtney Collins to discuss the sleeping mind, how to move past nightmares to a more restful night and how we can even take control of our dreams. Her book is “Nightmare Obscura: A Dream Engineer's Guide Through the Sleeping Mind.” Learn about your ad choices: dovetail.prx.org/ad-choices

After the promises of Reconstruction began to wither, Black Americans searched for freedom in radically different locales. Caleb Gayle is a journalist, author and professor at Northeastern University, and he is also a contributing writer at The New York Times Magazine. He joins guest host John McCaa to tell the story of Edward McCabe, who made it his life's work to set up a Black state in Oklahoma. His book is “Black Moses: A Saga of Ambition and the Fight for a Black State.” Learn about your ad choices: dovetail.prx.org/ad-choices

 The U.S. and China may be the world's current superpowers – but that doesn't mean they can ignore other countries. Emma Ashford is a senior fellow at the Stimson Center, and she joins guest host John McCaa to discuss the implications of moving to a multipolarity, in which Russia, India and others hold increasing sway over global affairs. Her article “Making Multipolarity Work” was published by Foreign Affairs.  Learn about your ad choices: dovetail.prx.org/ad-choices

Advancements in science give hope to those who need life-saving skin grafts, replacements for failing organs – and even for those dreaming of a new head of hair. Science journalist Mary Roach joins guest host Paige Phelps to discuss the myriad of ways researchers are making progress on creating new body parts and why our immune system is the biggest hurdle of all. Her book is “Replaceable You: Adventures in Human Anatomy.” Learn about your ad choices: dovetail.prx.org/ad-choices

From our little fur babies to “Herbie” the car, we imbue the world around us with wonderous human-like qualities. Justin Gregg is senior research associate with the Dolphin Communication Project and an Adjunct Professor at St. Francis Xavier University, where he lectures on animal behavior and cognition. He joins host Krys Boyd to discuss the benefits of anthropomorphism — and the detriments of its polar opposite — dehumanization. Plus, we'll be introduced to a wide world where we love to see animals and objects as reflections of ourselves. His book is “Humanish: What Talking to Your Cat or Naming Your Car Reveals About the Uniquely Human Need to Humanize.” Learn about your ad choices: dovetail.prx.org/ad-choices

When we clock in on Monday morning, most of us are looking at a 40-hour work week. But what's so special about 40 hours? Andrew Blackman joins host Krys Boyd to discuss the history of the 40-hour week, how the Great Depression finally presented an opportunity to shrink the working day, and how we might shave off even more hours in our modern era. His article “How Did We Get a 40-Hour Workweek and Has It Had Its Day?” was published in The Wall Street Journal.   Learn about your ad choices: dovetail.prx.org/ad-choices

“Life, liberty and the pursuit of happiness” was a radical concept for the Founding Fathers. How did they get there? Walter Isaacson joins host Krys Boyd to discuss how one sentence in the Declaration of Independence set out a promise of America, how Thomas Jefferson, Benjamin Franklin and John Adams wrestled with its crafting, and how we can still use these words as our common values in a polarized nation today. His book is “The Greatest Sentence Ever Written.” Learn about your ad choices: dovetail.prx.org/ad-choices

All those loyalty points you're racking up at the grocery store, hotels and airlines benefit those companies way more than you. Samuel A.A. Levine is a senior fellow at U.C. Berkeley's Center for Consumer Law & Economic Justice and he previously served as director of the FTC's Bureau of Consumer Protection. He joins host Krys Boyd to discuss why newcomers to loyalty programs get priority over long-time customers, the privacy we trade off to get what we think are deals and why we might encounter higher prices anyway. His paper (co-authored by Stephanie T. Nguyen) “The Loyalty Trap: How Loyalty Programs Hook Us with Deals, Hack our Brains, and Hike Our Prices” was published by The Vanderbilt Policy Accelerator and U.C. Berkeley Center for Consumer Law and Economic Justice. Learn about your ad choices: dovetail.prx.org/ad-choices

Newly designed earbuds promise real-time translations right to your ear. But is something lost when we don't engage with other languages? Ross Benjamin is an award-winning translator of German-language literature. He joins host Krys Boyd to discuss what we miss when we don't squirm a little in a foreign country and why being less than fluent affects how we pay attention and learn. Plus, we'll talk about all the beauty we'll gloss over when A.I. handles the hard parts. His article “The Costs of Instant Translation” was published in The Atlantic. Learn about your ad choices: dovetail.prx.org/ad-choices

Did you know that the outfit you are wearing right now is a leading cause of greenhouse gas emissions? Laila Petrie, director general of the charity Future Earth Lab, joins host Krys Boyd to discuss what counts as sustainable in the fashion industry – where greenwashing is rampant – and how fast fashion contributes to climate change. Her article in Scientific American is “How to Be a Smarter Fashion Consumer in a World of Overstated Sustainability.” Learn about your ad choices: dovetail.prx.org/ad-choices

Every relationship has a person who loads the dishwasher like an architect, and one who throws plates in like a tornado. Ellen Cushing, staff writer for The Atlantic, joins host Krys Boyd to discuss why arguments over daily chores might signal deeper issues in a partnership, why some household appliances have such a hold on us, and, yes, we'll get to scientific proof of how that dishwasher is really supposed to be loaded. (Be prepared to tell your significant other.) Her article is, “There Are Two Types of Dishwasher People.” Learn about your ad choices: dovetail.prx.org/ad-choices

Federal spending on everything from education to medical research has been sharply curtailed this year. So, what might fill the funding gap? Host Krys Boyd talks with three guests about the role of philanthropy in America – from providing an economic boost to communities to sending students to college to protecting our national parks. Learn about your ad choices: dovetail.prx.org/ad-choices

There's a record number of single people out there, but they aren't finding each other. Jonathan Rosenthal, international editor for The Economist, joins host Krys Boyd to discuss why young people are throwing in the towel on finding the perfect partner, what education levels have to do with it, and why those who do want to partner up might be misled by dating apps hiding datable matches. His article is “All over the rich world, fewer people are hooking up and shacking up.”   Learn about your ad choices: dovetail.prx.org/ad-choices

A.I. is becoming smarter without much help from humans, and that should worry us all. Nate Soares, president of Machine Intelligence Research Institute (MIRI), joins host Krys Boyd to discuss what happens when A.I. brain power surpasses what humans are capable of, why we don't have the technology yet to understand what we're building, and why everything will be just fine … until it isn't. His book, co-written with Eliezer Yudkowsky, is “If Anyone Builds It, Everyone Dies: Why Superhuman AI Would Kill Us All.” Learn about your ad choices: dovetail.prx.org/ad-choices

In the story of the melting pot, the United States can integrate all peoples into one — but what if that's more of a myth than a metaphor? Colin Woodard is an author, historian, journalist and director of Nationhood Lab at Salve Regina University's Pell Center for International Relations and Public Policy. He joins host Krys Boyd to discuss why the civics lessons we're taught about our country are sometimes overridden by regional cultures, why the origins of our divisions come from where we live, and how a new national story might bring us together. His book is “Nations Apart: How Clashing Regional Cultures Shattered America.” Learn about your ad choices: dovetail.prx.org/ad-choices

Three of the 18th Century laws making up the Alien and Sedition Acts have expired, but the Alien Enemies Act is getting quite a workout today. Qian Julie Wang is managing partner of Gottlieb & Wang LLP, a firm dedicated to advocating for education and civil rights. She joins host Krys Boyd to discuss why the internment of Japanese Americans during WWII was allowed, why students can be deported for supporting Palestine, and how this antiquated law is being used in public policy today. Her introduction appears in the new edition of “The Alien and Sedition Acts.” Learn about your ad choices: dovetail.prx.org/ad-choices

Autocrats are famous for enacting vague laws with specific punishments – and if people preemptively overcorrect their behaviors, all the better. Matthew Purdy is editor at large and writer for The New York Times Magazine. He joins host Krys Boyd to discuss why the Trump administration has intentionally created vagaries around tariffs, D.E.I. and other areas so that it is difficult to know if one is breaking the law – and how that helps to consolidate presidential power. His article is “In the Trump Presidency, the Rules Are Vague. That Might Be the Point.” Learn about your ad choices: dovetail.prx.org/ad-choices

When you pop open your medication bottle and take your pills, you assume they are safe. But how do you know? Debbie Cenziper, investigative journalist for ProPublica, joins host Krys Boyd to discuss how medicines made in overseas labs don't always meet U.S. safety standards; why lawmakers, doctors and patients are often unaware of this problem; and why we can't easily find out where our medication is made. Her article is “Is Your Medication Made in a Contaminated Factory? The FDA Won't Tell You.” Learn about your ad choices: dovetail.prx.org/ad-choices

It takes seconds for an A.I. chatbot to give you an answer – but many manhours went into getting you there. Varsha Bansal, tech reporter for The Guardian, joins host Krys Boyd to discuss the grueling work of training A.I. to give answers that are fact checked and meet safety guidelines, and why, when it seems our future is digital, humans are still very much needed behind the scenes. Her article is “How thousands of overworked underpaid humans train Google's AI to seem smart.” Learn about your ad choices: dovetail.prx.org/ad-choices

 Muscle-bound bodybuilders may line up for testosterone replacement therapy – and increasingly, so do menopausal women. Susan Dominus, staff writer at The New York Times Magazine, joins host Krys Boyd to discuss why middle-aged women are raving about its benefits — despite possible side effects — and why the FDA hasn't approved any use of the hormone for women. Her article is “‘I'm on Fire': Testosterone Is Giving Women Back Their Sex Drive — and Then Some.”  Learn about your ad choices: dovetail.prx.org/ad-choices

 From flavored yogurt to a package of Ding Dongs, Americans love ultraprocessed food. Alice Callahan is a New York Times reporter with a Ph.D. in nutrition, and she joins host Krys Boyd to discuss why our diets became so reliant on foods made in a factory, why farm subsidies and advertising are partially to blame, and why we can't seem to put these foods down. Her article is “How Ultraprocessed Food Took Over America.”  Learn about your ad choices: dovetail.prx.org/ad-choices

For many of us, reading involves mostly scrolling through content on our phones rather than picking up a book. James Marriott writes for The Times of London, and he joins host Krys Boyd to discuss how high literacy rates have ushered in human rights and leaps in scientific understanding – and what happens to a society that stops thinking deeply and focuses on the doomscroll. His essay “The dawn of the post-literate society” was published in his Cultural Capital Substack. Learn about your ad choices: dovetail.prx.org/ad-choices

 We adore them when their cherubic faces light up the big screen, but when child actors grow up, they're yesterday's news. New Yorker staff writer Adam Gopnik joins host Krys Boyd to discuss the life cycle of the child star from public adoration to fleeting fame, why we won't allow them to age, and the demands the industry makes of them at such a tender age. His article is “What Do We Want from Our Child Stars?” Learn about your ad choices: dovetail.prx.org/ad-choices

On the eve of our country's 250th birthday, would the Founding Fathers recognize the America we live in today? Irish Times columnist Fintan O'Toole joins host Krys Boyd to discuss the seismic legal and moral shifts that have happened since the Declaration of Independence was penned and how they have shaped the political left and right – and we'll talk about why we might be surprised if we could talk to Washington, Franklin and Jefferson today. His article “What the Founders Would Say Now” was published in The Atlantic. Learn about your ad choices: dovetail.prx.org/ad-choices

 Decades before the headlines about Tylenol, moms have always had to worry if they were to blame for their child's autism. Sara Luterman, Disability and Aging Reporter for The 19th, joins host Krys Boyd to discuss the so-called “refrigerator moms” of the 1950s, and what today's rhetoric from the Health and Human Services Secretary mean for mothers struggling to navigate a difficult diagnosis. Her article “This isn't the first time moms have been blamed for their kids' autism.”  Learn about your ad choices: dovetail.prx.org/ad-choices

The way life emerged on Earth is being reconsidered – but not without some disagreement. Journalist Asher Elbein joins host Krys Boyd to discuss how one discovery in Africa is having scientists radically rethinking when life emerged, what it means that this life existed in the harshest of conditions and why it's dividing the scientific community. His article “Life's Big Bangs” was published in Scientific American. Learn about your ad choices: dovetail.prx.org/ad-choices

Why are we following the lead of tech billionaires when it comes to guiding public policy? Science journalist Adam Becker joins host Krys Boyd to discuss the ways Silicon Valley scions might have A.I. all wrong, the obsession with space colonies and why we aren't asking more critical questions for their version of the future. His book is, “More Everything Forever: AI Overlords, Space Empires, and Silicon Valley's Crusade to Control the Fate of Humanity.“This episode originally aired, May 20th 2024. Learn about your ad choices: dovetail.prx.org/ad-choices

For scientists to solve the mysteries of the ocean, they need to start with questions like “how do fish float?” Duke University biology professor Sönke Johnsen joins host Krys Boyd to discuss the wonders of vertical migration, why sharks must keep swimming to stay alive, and the clues offered to biologists that help piece together the questions of aquatic life evolution. His book is “Into the Great Wide Ocean: Life in the Least Known Habitat on Earth.”This episode originally aired, December 5th, 2024. Learn about your ad choices: dovetail.prx.org/ad-choices

The culture war around trans rights has many headlines, but one hot button issue is gun rights. Writer and critic Grace Byron joins host Krys Boyd to discuss why gun ownership for trans individuals is becoming a political talking point, why owning a gun can affirm sexuality, and why gun violence is being blamed without merit on transgender ideology. Her article, “The Complexities of Trans Gun Ownership” was published in The New Yorker. Learn about your ad choices: dovetail.prx.org/ad-choices

The spooky season is here, and we might have Christian theology to thank for that. Bryan P. Stone is Leighton K. Farrell Endowed Dean at Southern Methodist University's Perkins School of Theology. He joins host Krys Boyd to discuss ghosts, witches, vampires and more and how they germinate from Christian imagery, subvert traditional teachings and play on Chrisitan anxieties. His book is “Christianity and Horror Cinema.” Learn about your ad choices: dovetail.prx.org/ad-choices

 Two years of war ended when a U.S.-brokered ceasefire was signed between Israel and Hamas. Will it hold? Natasha Hall, senior associate at the Center for Strategic and International Studies, joins host Krys Boyd to discuss how President Trump's strong demands on Israel and Hamas forced both sides to the table, and what happens to any future deals if both sides can't keep to the terms of the agreement. Her Foreign Affairs article, co-authored with Joost R. Hiltermann, is “The Gaza Deal Is Not Too Big to Fail.”  Learn about your ad choices: dovetail.prx.org/ad-choices

Ready to travel to Mars? Doctors specializing in space medicine are working to get you there. Shayna Korol is a Future Perfect fellow at Vox, and she joins host Krys Boyd to discuss the new field of space medicine, where doctors try to anticipate and treat the many ways space travel affects and ails the body – from radiation to muscle loss – and how their research and breakthroughs might also help those of us who stay Earthbound. Her article is “Human bodies aren't ready to travel to Mars. Space medicine can help.”  Learn about your ad choices: dovetail.prx.org/ad-choices

Big tech pretty much runs our lives; will these companies one day own power grids, too? Karen Weise, technology correspondent for The New York Times, joins host Krys Boyd to discuss how tech is driving up electricity costs for everyone, why municipalities are scrambling to upgrade their grids, and the prospects for selling power to cities that need it most. Her article is “Big Tech's A.I. Data Centers Are Driving Up Electricity Bills for Everyone.” Learn about your ad choices: dovetail.prx.org/ad-choices