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Scientists are beginning to understand that ageing is not a simply linear process. Instead, recent research appears to show that we age in three accelerated bursts; at about 40, 60 and 80 years old. To find out what might be going on, Ian Sample hears from Prof Michael Snyder, the director of the Center for Genomics and Personalised Medicine at Stanford University School of Medicine, who explains what the drivers of these bursts of ageing could be, and how they might be counteracted You can support the Guardian at theguardian.com/fullstorysupport

Earlier this month the Greens officially terminated the membership of one of its founders. Drew Hutton, the expelled member, criticised the party as ‘authoritarian', claiming it is silencing members who challenge its official policies on gender identity – but the party says it will not tolerate harmful commentary within its membership. Queensland state reporter Joe Hinchcliffe tells Nour Haydar why the Greens have terminated Drew Hutton's life membership over debate that the party considers harmful to trans people, but which Hutton has framed as an issue of free speech

After days of international pressure, Israel has agreed to increase the amount of aid going into Gaza. It follows last week's pictures coming out of the besieged territory showing confronting scenes of emaciated children. But experts say much more is needed to reverse what has been described as a full-blown starvation crisis. The Guardian's William Christou speaks to Reged Ahmad from Jerusalem about whether this moment is a tipping point in the Israel-Gaza war

In this episode of Politics Weekly America, author Gwenda Blair and reporters Rosie Gray and Ashley Parker introduce us to the family members who helped the US president on his road to the White House and during his time in office

Barrie Cassidy and Tony Barry examine the return of federal parliament, the net zero debate and why Latham's portrait is still on display in the Labor party room

Evidence shows urgent action is needed to prevent the climate crisis from worsening but political will is waning. As the Coalition takes the debate back to the future on the merits of net zero, questions remain about Labor's willingness to act on its own policies. Reged Ahmad speaks to editor Lenore Taylor, head of newsroom Mike Ticher and climate and environment editor Adam Morton on what's distracting Australia from acting on the climate emergency

Mark Latham came close to becoming an Australian prime minister, but it's very different headlines being made now. After a career of controversy, the New South Wales upper house MP is being taken to a NSW local court by an ex-partner seeking an apprehended violence order. Separately, there have also been claims of inappropriate behaviour directed towards other female MPs. Latham will contest the allegations in the AVO matter in court and has otherwise denied any wrongdoing. Chief political correspondent Tom McIlroy speaks to Reged Ahmad about how this latest controversy has ricocheted to the upper echelons of federal Labor and sparked a debate about his portrait, which still hangs in Parliament House

The Late Show on CBS will come to an end next year after a 33-year run. The news came just days after the TV host referred to a $16m settlement between Trump and CBS parent company Paramount over an interview on their network as a “big fat bribe”. CBS has described the show's cancellation as “purely financial”. But, as the Guardian's Washington DC bureau chief David Smith tells Reged Ahmad, others are not so sure. You can support the Guardian at theguardian.com/fullstorysupport

As Australia's federal parliament resumes, Reged Ahmad speaks to chief political correspondent Tom McIlroy and political reporter Krishani Dhanji about our new political reality Read more: New parliament seating chart shows how Labor's election win shifted the tectonic plates of federal politics

The floods in Texas earlier this month swept away entire homes and holiday camps, claiming more than 130 lives. As authorities try to piece together how it happened, conspiracy theories have flourished, with some social media users blaming the government for causing the extreme weather event. Guardian contributor Ben Makuch tells Reged Ahmad why so many – including elected representatives – are turning to misinformation in an attempt to understand the tragedy Texas death toll reaches 134 as new flash flood watch issued

Barrie Cassidy and Tony Barry examine the optics of the prime minister's lengthy visit to China. They also return to the fallout from Jillian Segal's antisemitism plan and the recount in the federal electorate of Bradfield

Donald Trump really wants people to stop talking about Jeffrey Epstein, but his Maga base, including some prominent commentators such as Laura Loomer, want his administration to ‘release the files'. Jonathan Freedland speaks to Ali Breland of the Atlantic about the tricky situation the US president finds himself in

In Canberra there's one book you must at least pretend to have read by the time parliament returns: Abundance by Ezra Klein and Derek Thompson. In recent media interviews treasurer Jim Chalmers called the book – hailed by some in the US as a manifesto for the Democrats – “a ripper”. So why are so many Labor MPs excited by it?Nour Haydar asks editor Lenore Taylor and head of newsroom Mike Ticher if the Abundance agenda is right for Australia

This Saturday, Tasmanians will go to the polls again. The state election is the fourth in just over seven years, and many are hoping it will finally put to rest the chaos and animosity of successive minority governments. Climate and environment editor – and Tasmanian – Adam Morton speaks to Reged Ahmad about the issues front of mind for voters and whether whoever wins office will work across the aisle to get things done

After mounting criticism over its coverage of the war in Gaza, will the BBC change its approach?

Anthony Albanese met Xi Jinping for the second time in Beijing on Tuesday. Prior to the meeting, in remarks open to the media, both leaders talked about the need for cooperation, and the Chinese president even reflected on the improved relationship between the two countries. So what do we know about what was discussed behind closed doors? Chief political correspondent Tom McIlroy speaks to Nour Haydar about a diplomatic visit crucial to Australian trade and security – and what Donald Trump might think of it all

Treasurer Jim Chalmers tells Guardian Australia chief political correspondent Tom McIlroy one of his key measures of success in the future is making Australia's budget more sustainable. They also discuss the challenge of meeting housing targets, how the morning news affects his plans and what he hopes can come out of his meeting with the G20 finance ministers this week

The federal government's special envoy to combat antisemitism, Jillian Segal, has released a report that recommends 49 key actions to stamp out abuse towards Jewish Australians. There are elements of Segal's plan that have bipartisan support – but other recommendations have faced strong criticism, with some saying it has the potential to silence debate and dissent. Guardian Australia political reporter and chief of staff Josh Butler and education reporter Caitlin Cassidy speak to Reged Ahmad about why the proposed antisemitism plan has some people worried

South Australia's coastline is battling a toxic algal bloom. Rising sea temperatures and a lack of action about the unfolding catastrophe have left experts increasingly concerned about the health of the state's marine ecosystems. Senior reporter Tory Shepherd speaks to Nour Haydar about why experts say this disaster is ‘climate change happening'

Barrie Cassidy and Tony Barrie unpack the plan handed to the federal government this week to combat antisemitism. They also look at Trump's threat to place tariffs on pharmaceuticals, the RBA's surprise interest rate decision and the impact of federal election cycles on state leadership

This week the jury in Erin Patterson's months-long triple-murder trial returned a verdict of guilty on all charges. But rather than draw a line under a case that has fascinated the public, the verdict seems to have only fuelled interest and spawned more and more coverage and conjecture. Reged Ahmad speaks to Guardian Australia's editor, Lenore Taylor, and national news editor, Josephine Tovey, about the ethics of covering the mushroom trial and where to draw the line between public interest and ghoulish fascination

Six years on from the fatal shooting of 19-year-old Kumanjayi Walker and a murder trial that found former NT police officer Zachary Rolfe not guilty of murder or manslaughter, a coroner has handed down her findings into the circumstances that led to the Warlpiri teenager's death. UTS Indigenous media professor Lorena Allam and justice and courts reporter Nino Bucci tell Nour Haydar what the coroner's findings mean for truth-telling in the Northern Territory

A week after it was revealed that a Melbourne childcare worker had been charged with sexual abuse offences relating to multiple children, scrutiny of the early learning sector has only intensified. Although the case is yet to be tested in the courts, the allegations sparked widespread outrage and intensified pressure on both federal and state governments to act quickly. Senior reporter Kate Lyons tells Reged Ahmad what more can be done to make the sector safer for children

Ed Pilkington explains the US president's ‘Big Beautiful Bill' and what it will mean for millions of poorer Americans who voted for him last November

A jury has found Erin Patterson guilty of murdering three relatives and attempting to murder a fourth with a deadly beef wellington lunch almost two years ago. Justice and courts reporter Nino Bucci speaks to Reged Ahmad about how we got to this verdict and what comes next

Home-grown rice is a key part of Japanese culture, identity and politics, dating back thousands of years. So much so that any disruption can spark a wave of consumer anger, reaching even the highest echelons of power. But as the country grapples with a shortage of the grain, locals are asking whether it's finally time to learn to love the imported version. Reged Ahmad speaks to the Guardian's Japan and Korea correspondent, Justin McCurry, in Osaka.

Barrie Cassidy and Tony Barry take a look at Anthony Albanese's support of Donald Trump's bombing of Iran and ask: will the US - Australia relationship send traditional party supporters elsewhere? Also: why it's time for the Liberals to embrace gender quotas. And, keen to canvas opinion on Chinese influence in the Pacific region, Barrie conducts his own focus groups in the Cook Islands.

The rapper faced charges often levied at mafia bosses. Anna Betts explains what the jury heard, and Andrew Lawrence tells Nosheen Iqbal what the verdict means for the music mogul

This week headlines warned of a ‘bomb cyclone' forming on the Australian east coast. However, the Bureau of Meteorology has stopped short of using that terminology in media commentary and has not officially called this week's event anything other than a ‘vigorous' coastal low. But the severe weather system did wreak havoc on some parts of the coastline, causing flooding, damage to properties and flight cancellations.Nour Haydar speaks with the head of newsroom, Mike Ticher, and deputy editor Patrick Keneally about why language matters and how crucial it is to refer to the climate crisis when covering extreme weather

In 2019, the people of Bougainville overwhelmingly voted in favour of independence. Once controlled by Britain, Germany, Japan, Australia and Papua New Guinea, some see the reopening of a massive copper and gold mine known as Panguna as the key to the new nation's success. But it was only three decades ago that Bougainvilleans went to war to shut it down.Nour Haydar speaks with Ben Doherty about the road to independence for Australia's Pacific neighbour and the risk of repeating mistakes from the past

The childcare sector has come under intense scrutiny in the wake of a Victorian worker being charged with dozens of child sexual abuse offences. While the allegations are yet to be tested by the courts, the fallout from the unfolding case has been profound as both state and federal governments consider the next steps. Reged Ahmad speaks to Victorian state correspondent Benita Kolovos on what this case means for the future of an industry relied on by so many Australian families

The opposition leader, Sussan Ley, is in a battle to raise the Liberal party from the electoral ashes and remake it into something that can win again. And that includes fixing its women problem. Guardian Australia's chief political correspondent, Tom McIlroy, discusses whether Ley needs to consider reforming her party to return to power – and recruit women

He is now the Democratic candidate for the New York City mayoral race. After running a highly successful and viral campaign culminating in him defeating establishment rival Andrew Cuomo, are there lessons for the party in his win? Washington DC bureau chief David Smith tells Nour Haydar about Zohran Mamdani's rise and what it means for the Democrats

As the cost-of-living crisis takes hold, more people are turning to op shops for secondhand clothes. Among the thrift shops is Savers, a US for-profit that is dividing opinions. It claims to offer a more sustainable alternative for shoppers, but some have mixed feelings about its business model. Business editor Jonathan Barrett explains to Reged Ahmad why there are questions around the retailer's relationships to non-profit partners even as those shunning fast fashion say it's more sustainable

George Megalogenis joins Tony Barry in the studio this week to discuss why Donald Trump is unlikely to drag Australia into war, whether the prime minister could win back-to-back landslides, and how it feels when you get it wrong as a political commentator

Anthony Albanese and the foreign affairs minister, Penny Wong, have endorsed the US bombings of three Iranian nuclear facilities, arguing the targeted strikes were necessary to prevent the regime developing a nuclear weapon. International law experts condemned the attacks as unlawful under the UN charter. Nour Haydar is joined by the editor, Lenore Taylor, and deputy editor Patrick Keneally to discuss Australia's entangled relationship with the United States

What started as five casual radio presenter shifts has turned into one of the most closely watched court battles in Australian media. In 2023, Antoinette Lattouf was removed as a fill-in host of an ABC radio program after she shared a Human Rights Watch post on the Israel-Gaza conflict on her social media that stated Israel had used starvation as a ‘weapon of war'. Lattouf sued the national broadcaster for wrongful termination and – after a costly legal fight – a verdict has finally been delivered. Media correspondent Amanda Meade and senior reporter Kate Lyons tell Matilda Boseley what this verdict means for Lattouf, the ABC and the Australian media

An investigation by consumer group Choice has found that several leading Australian sunscreens don't provide the level of protection they say they do. The findings, which have been disputed by manufacturers, have raised questions about the testing and regulations of sunscreens in Australia. Consumer affairs reporter Catie Mcleod tells Nour Haydar why questions are being asked about the claims made by some brands and what consumers need to know now

Just over a week ago, Iranian and American officials were set to meet for a fresh round of negotiations over Tehran's nuclear program. Now the region is on the brink after the US joined Israeli attacks on Iran, striking three key uranium enrichment sites. And Iran has vowed to retaliate. Professor Ben Saul, the Challis chair of international law at the University of Sydney, tells Nour Haydar why he thinks the weekend's events signal the breakdown of the rules-based order

The mushroom trial that intrigued the world is drawing to a close after weeks of evidence – including testimony from the accused Erin Patterson. Now the defence and prosecution have set out their closing arguments. Patterson has pleaded not guilty to three counts of murder and one of attempted murder, for allegedly and deliberately serving four lunchtime guests beef wellingtons laced with death cap mushrooms at her home in regional Victoria. Reged Ahmad speaks to courts and justice reporter Nino Bucci about each side's closing arguments as the jury prepares for deliberations You can support the Guardian at theguardian.com/fullstorysupport

As the US president deliberates on whether or not to launch strikes on Iran, Barrie Cassidy and Tony Barry discuss the global effort to de-escalate the conflict in the Middle East and what it all means for Australian politics. Also in this episode: Could Jim Chalmers be the next prime minister?

The world is hanging on to Donald Trump's every word, waiting to see if or how the US will intervene in the Israel-Iran conflict. While Australia's foreign affairs minister, Penny Wong, warns of risks to global stability and urges dialogue, questions remain about the appetite for diplomacy. Bridie Jabour speaks to Guardian Australia's international editor, Bonnie Malkin, and deputy editor Patrick Keneally about how the Israel-Iran war erupted and what could happen next