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Science Weekly

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The Guardian

Twice a week, the Guardian brings you the latest science and environment news

#300

The science behind yo-yo diets, bird flu news and which Brits can spot a fake accent

Science editor Ian Sample joins host Madeleine Finlay to discuss some of the most intriguing science stories of the week. From a study finding that fat cells ‘remembering’ past obesity drives yo-yo dieting, to concerning developments in the bird flu virus, and research pinpointing which parts of the UK are best at spotting fake accents. Help support our independent journalism at [theguardian.com/sciencepod] (https://www.theguardian.com/sciencepod) ... Read more

1 hr Ago

21 MINS

21:12

1 hr Ago

#299

What does it take to become an astronaut?

It’s a dream for many children, but what does it actually take to become an astronaut? Science correspondent Hannah Devlin tells Ian Sample about her trip on a zero gravity flight with the European Space Agency (Esa). Back on solid ground she also got to speak to Rosemary Coogan, one of Esa’s newest recruits, about the rigorous process that led to her being chosen from more than 20,000 applicants, to become an astronaut, and what she hopes to achieve in her role. Help support our independent journalism at [theguardian.com/sciencepod] (https://www.theguardian.com/sciencepod) ... Read more

19 Nov 2024

15 MINS

15:46

19 Nov 2024

#298

Secrets of happiness: the happiness hacks backed up by science

At a moment when the world feels like a particularly unsettling place, Science Weekly is asking what it is that makes humans happy – and how we can bring more happiness into our lives. In episode two, Ian Sample asks which happiness strategies are backed up by science. He hears from Elizabeth Dunn, a professor of psychology at the University of British Columbia, who recently scrutinised a whole lot of happiness research to work out which recommendations are most reliable. Help support our independent journalism at [theguardian.com/sciencepod] (https://www.theguardian.com/sciencepod) ... Read more

14 Nov 2024

16 MINS

16:45

14 Nov 2024

#297

Secrets of happiness: what makes a country happy?

At a moment when the world feels like a particularly unsettling place, Science Weekly is asking what it is that makes humans happy – and how can we bring more happiness into our lives? In episode one, Ian Sample asks what makes a country happy? Johannes Eichstaedt, assistant professor of psychology and human-centred AI at Stanford University, explains why the Nordic countries often rank highly in the annual World Happiness Report, and what we can learn if we look beyond them. Help support our independent journalism at [theguardian.com/sciencepod] (https://www.theguardian.com/sciencepod) ... Read more

12 Nov 2024

18 MINS

18:18

12 Nov 2024

#296

What will Trump 2.0 mean for science?

Madeleine Finlay talks to science editor and podcast co-host Ian Sample about how Donald Trump approached science when in office last time, and what his second term is likely to mean for the environment, health and scientific research. Help support our independent journalism at [theguardian.com/sciencepod] (https://www.theguardian.com/sciencepod) ... Read more

06 Nov 2024

17 MINS

17:43

06 Nov 2024

#295

Could we really live on Mars?

Space-settling enthusiasts have long had an eye on Mars, and now they have the backing of the world’s richest man. Elon Musk recently claimed that humans could be on the planet by 2030 and be living there in a self-sustaining city within 20 years. But is it really that simple? Madeleine Finlay heads to Imperial College London where Prof Sanjeev Gupta gives her a tour of the red planet, and meets Kelly Weinersmith who, along with her husband, Zach, recently won the Royal Society Trivedi science book prize for their book A City on Mars. She explains why life on Mars may not be the idyll some would have us believe. Help support our independent journalism at [theguardian.com/sciencepod] (https://www.theguardian.com/sciencepod) ... Read more

05 Nov 2024

21 MINS

21:25

05 Nov 2024

#294

Love motels and gridlocked talks: all the news from Cop16

Biodiversity correspondent Phoebe Weston takes Madeleine Finlay through the news from the UN Cop16 biodiversity summit in Cali, Colombia. Countries are wrangling over funding to protect nature and who should profit from the natural resources of the world’s least developed nations. Help support our independent journalism at [theguardian.com/sciencepod] (https://www.theguardian.com/sciencepod) ... Read more

31 Oct 2024

15 MINS

15:35

31 Oct 2024

#293

The US tech startup promising smarter babies

A startup company, Heliospect Genomics, is offering to help wealthy couples screen their embryos for IQ using controversial technology that raises questions about the ethics of genetic enhancement. Science correspondent Hannah Devlin tells Madeleine Finlay about the joint investigation into the company by the Guardian and the campaign group Hope Not Hate. Help support our independent journalism at [theguardian.com/sciencepod] (https://www.theguardian.com/sciencepod) ... Read more

29 Oct 2024

19 MINS

19:43

29 Oct 2024

#292

What’s at stake for the climate if Trump wins?

With less than two weeks until the US election, Madeleine Finlay speaks to climate activist and author Bill McKibben to find out what a win for Donald Trump could mean for the environment and the world’s climate goals. Help support our independent journalism at [theguardian.com/sciencepod] (https://www.theguardian.com/sciencepod) ... Read more

24 Oct 2024

16 MINS

16:29

24 Oct 2024

#291

How the asteroid that killed the dinosaurs made ants into farmers

Madeleine Finlay hears from Ted Schultz, curator of ants at the Smithsonian National Museum of Natural History, about his recent study into the origins of fungi farming in ants. He tells Madeleine about the incredibly complex way that ants cultivate and protect their fungi gardens, and how the asteroid that hit Earth 66 million years ago could have kickstarted it all. Help support our independent journalism at [theguardian.com/sciencepod] (https://www.theguardian.com/sciencepod) ... Read more

22 Oct 2024

16 MINS

16:26

22 Oct 2024

#290

Is sleep perfectionism making us more exhausted?

As the sleep tracking industry booms, some worry that it could be driving orthosomnia, the medical term for an unhealthy obsession with attaining perfect sleep, usually driven by a wearable device. Madeleine Finlay speaks to consultant neurologist and sleep physician Dr Guy Leschziner to find out whether this tech is helping or hindering our chances of maximising sleep’s health benefits. Help support our independent journalism at [theguardian.com/sciencepod] (https://www.theguardian.com/sciencepod) ... Read more

17 Oct 2024

17 MINS

17:23

17 Oct 2024

#289

What Milton and Helene reveal about the future of hurricanes

Ian Sample speaks to Bernadette Woods Placky, chief meteorologist at nonprofit Climate Central, about the 2024 Atlantic hurricane season so far, and what it tells us about how hurricanes will behave in future. Help support our independent journalism at [theguardian.com/sciencepod] (https://www.theguardian.com/sciencepod) ... Read more

15 Oct 2024

15 MINS

15:22

15 Oct 2024

#288

All the news and science from the 2024 Nobel prizes

With awards for the discovery of microRNA and the creation of new proteins, plus recognition for artificial intelligence via the physics and chemistry prizes, Madeleine Finlay hears from the Guardian science team – Nicola Davis, Ian Sample and Hannah Devlin – as they break down the news, science and surprises from this year’s Nobels. Help support our independent journalism at [theguardian.com/sciencepod] (https://www.theguardian.com/sciencepod) ... Read more

09 Oct 2024

23 MINS

23:49

09 Oct 2024

#287

Could AI help fight conspiracy theories?

We’re used to hearing about the power of artificial intelligence to spread misinformation – but could it also be a tool for persuading people of the truth? Ian Sample speaks to Thomas Costello, an assistant professor of psychology at American University, who has published a study exploring the potential for AI chatbots to lead people away from conspiracy beliefs. Help support our independent journalism at [theguardian.com/sciencepod] (https://www.theguardian.com/sciencepod) ... Read more

08 Oct 2024

16 MINS

16:09

08 Oct 2024

#286

Everything you need to know about Covid this autumn

Madeleine Finlay is joined by Ian Sample, the Guardian’s science editor and Science Weekly co-host, to answer the questions we are all asking about Covid this autumn, from what is going on with the new variant XEC to how to get a vaccine and what scientists think the government should be doing differently. Help support our independent journalism at [theguardian.com/sciencepod] (https://www.theguardian.com/sciencepod) ... Read more

03 Oct 2024

16 MINS

16:05

03 Oct 2024

#285

End of an era: Britain finally says goodbye to coal

Just before Britain’s last coal-fired power station, Ratcliffe-on-Soar, powered down for the final time, Madeleine Finlay travelled to Nottinghamshire with energy correspondent Jillian Ambrose for a last tour of the site. Britain is the first major economy to move away from coal entirely as it strives to meet the target of net zero by 2030. Jillian and Madeleine speak to employees to find out what working at the plant has meant to them, and how they’re feeling as the closing date approaches. Help support our independent journalism at [theguardian.com/sciencepod] (https://www.theguardian.com/sciencepod) ... Read more

30 Sep 2024

17 MINS

17:52

30 Sep 2024

#284

Is the ocean becoming too acidic to sustain life?

Industrial civilisation is close to breaching a seventh planetary boundary, and may already have crossed it, according to scientists who have compiled the latest report on the state of the world’s life-support systems. They say ocean acidification is close to critical threshold, posing a threat to marine ecosystems and global liveability. Ian Sample speaks to Prof Helen Findlay, a biological oceanographer at the Plymouth Marine Laboratory, to find out why the oceans have reached this state, and whether there is anything we can do to reverse the damage.. Help support our independent journalism at [theguardian.com/sciencepod] (https://www.theguardian.com/sciencepod) ... Read more

26 Sep 2024

14 MINS

14:40

26 Sep 2024

#283

Are the world’s oldest people really that old?

Madeleine Finlay speaks to Dr Saul Newman, an interdisciplinary researcher at University College London and the University of Oxford, who has just won an Ig Nobel prize – given to scientific research that ‘first makes people laugh, and then makes them think’ – for his work showing that many claims of people living extraordinarily long lives come from places with short lifespans, no birth certificates, and where clerical errors and pension fraud abound. He tells Madeleine what happened when he went looking for the world’s centenarians, and how his work has been received by the longevity research community. Help support our independent journalism at [theguardian.com/sciencepod] (https://www.theguardian.com/sciencepod) ... Read more

24 Sep 2024

16 MINS

16:09

24 Sep 2024

#282

Live episode: will AI make a good companion?

In a special episode recorded live at the British Science Festival, Madeleine Finlay and guests explore the question: will AI make a good companion? AI could give us new ways to tackle difficult problems, from young people’s mental health issues to isolation in care homes. It also raises challenging questions about the increasing role of tech in our personal lives. To explore these questions, Madeleine is joined by the Guardian’s science editor, Ian Sample; Tony Prescott, a professor of computational robotics at Sheffield University; and Dr Mhairi Aitken, an ethics fellow at the Alan Turing Institute and visiting senior lecturer at Queen Mary University of London.. Help support our independent journalism at [theguardian.com/sciencepod] (https://www.theguardian.com/sciencepod) ... Read more

21 Sep 2024

36 MINS

36:44

21 Sep 2024

#281

The sweeping reorganisation of the brain in pregnancy, and why it matters

Ian Sample talks to Dr Laura Pritschet, a postdoctoral fellow of psychiatry at the University of Pennsylvania, about her research using precision scans to capture the profound changes that sweep across the brain during pregnancy. She explains what this new work reveals about how the brain is reorganised in this period, whether it could it help us better understand conditions like pre-eclampsia and postnatal depression, and why women’s brains have often been overlooked by neuroscience. And neuroscientist Dr Liz Chrastil whose brain was scanned, explains what the experience was like. Help support our independent journalism at [theguardian.com/sciencepod] (https://www.theguardian.com/sciencepod) ... Read more

19 Sep 2024

14 MINS

14:25

19 Sep 2024

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#300

The science behind yo-yo diets, bird flu news and which Brits can spot a fake accent

#299

What does it take to become an astronaut?

#298

Secrets of happiness: the happiness hacks backed up by science

#297

Secrets of happiness: what makes a country happy?

#296

What will Trump 2.0 mean for science?

#295

Could we really live on Mars?

#294

Love motels and gridlocked talks: all the news from Cop16

#293

The US tech startup promising smarter babies

#292

What’s at stake for the climate if Trump wins?

#291

How the asteroid that killed the dinosaurs made ants into farmers

#290

Is sleep perfectionism making us more exhausted?

#289

What Milton and Helene reveal about the future of hurricanes

#288

All the news and science from the 2024 Nobel prizes

#287

Could AI help fight conspiracy theories?

#286

Everything you need to know about Covid this autumn

#285

End of an era: Britain finally says goodbye to coal

#284

Is the ocean becoming too acidic to sustain life?

#283

Are the world’s oldest people really that old?

#282

Live episode: will AI make a good companion?

#281

The sweeping reorganisation of the brain in pregnancy, and why it matters