Science Weekly

00:22:11

Four types of thinker, the cyclosporiasis outbreak,...

Science Weekly ·

2026/08/06

Madeleine Finlay is joined by Ian Sample, Guardian science editor, to discuss three eye-catching science stories including an investigation that has identified four distinct types of thinker. Also on the agenda is the unprecedented cyclosporiasis outbreak in the US which has now been linked to two fatalities, and the funding cuts that threaten the iconic Jodrell Bank world heritage site, home to the Lovell telescope. Help support our independent journalism at <a

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00:16:55

The fight to save a historic English landscape

Science Weekly ·

2026/08/04

Madeleine Finlay travels to the Rothbury estate in Northumberland, in north-east England. It’s a piece of land that has been in the same family for 700 years, but now it has been put up for sale and the UK’s Wildlife Trusts are trying to raise £30m to secure it intact. To find out what makes the area so special, Madeleine speaks to Katy Barke, the head of nature recovery for Northumberland Wildlife Trust. She also hears from Sam Turner, a professor of archaeology at Newcastle University, who is

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00:16:13

Revisited: Saunas and cold plunges, where does the...

Science Weekly ·

2026/07/30

Saunas and cold plunge pools are popping up everywhere in the UK, bringing fiery heat and icy cold to a beach, city farm or park near you. Their users will be ready with all the reasons why it’s good for both the mind and the body. But what’s the evidence for the benefits of sauna and cold plunge? In this episode from April, Madeleine Finlay hears from Ian Sample and Dr Heather Massey, associate professor at the University of Portsmouth’s extreme environments laboratory. Help support our independent

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00:22:06

Revisited: The surprising science of dreams and...

Science Weekly ·

2026/07/28

In this episode from January 2026, Ian Sample puts listeners’ questions about dreams and nightmares to Dr Michelle Carr, the director of the Dream Engineering Laboratory in Montreal’s Centre for Advanced Research in Sleep Medicine, and the author of the book Into the Dream Lab. They look at why we dream, what we can learn by examining our dreams, and what we can do when dreams turn into nightmares. Carr gives her top tips for taking charge of our dreams and trying to influence their content. Help

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00:20:26

Revisited: A Scottish tea mystery, episode three – a...

Science Weekly ·

2026/07/23

Science correspondent Nicola Davis investigates the strange story of Tam O’Braan and his attempts to grow tea in Scotland. In episode three of this mini-series first broadcast in October 2025, all of O’Braan’s lies come to a head and it is revealed where he was sourcing the tea being supplied to hotels and shops. At trial, O’Braan takes the stand and the Scottish growers finally get some answers. But what remains today of the Scottish tea industry that O’Braan instigated?. Help support our

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00:23:18

Revisited: A Scottish tea mystery, episode two – the...

Science Weekly ·

2026/07/22

Science correspondent Nicola Davis investigates the strange story of Tam O’Braan and his attempts to grow tea in Scotland. In episode two of this mini-series first broadcast in October 2025, Nicola hears how O’Braan’s network of Scottish tea growers began to have suspicions about exactly what he was selling and where it came from, and how cutting-edge science helped provide some answers. Help support our independent journalism at <a

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00:22:29

Revisited: A Scottish tea mystery, episode one –...

Science Weekly ·

2026/07/21

Science correspondent Nicola Davis investigates the strange story of Tam O’Braan and his attempts to grow tea in Scotland. In episode one of this mini-series first broadcast in October 2025, Nicola looks back on her first meeting with O’Braan while working on a feature about tea plantations in the UK. He was selling his award-winning Scottish-grown tea to some of the UK’s finest hotels, but something didn’t quite add up. And Nicola wasn’t the only person taking an interest in his story. Help support

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00:18:29

Can a world-first gene therapy reverse ageing?

Science Weekly ·

2026/07/16

The first person has been treated with a highly anticipated new gene therapy that aims to turn back the clock on ageing cells. The trial is aimed at retinal cells, with the hope that encouraging them to behave as if they were young again could improve sight in the affected patients. If it proves to be safe, it could open the door to a whole raft of therapies based on the emerging field of cellular rejuvenation. To understand more about this cutting edge research, Madeleine Finlay hears from science

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00:16:29

Fungi: the invisible force protecting our planet

Science Weekly ·

2026/07/14

Scientists often talk about the importance of flora and fauna to the health of our planet, but Dr Toby Kiers, an evolutionary biologist and founder of the Society for the Protection of Underground Networks, wants us to consider another force: fungi. Her work charting the planet’s vital underground systems has earned her numerous awards, including a MacArthur fellowship and a Tyler Prize for Environmental Achievement (sometimes called the ‘green’ Nobel). She tells Ian Sample about her work mapping

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00:14:00

Is male testosterone in freefall?

Science Weekly ·

2026/07/09

Men’s average testosterone levels have halved over the past 50 years, according to scientists who say society is facing a male fertility crisis. Rising levels of obesity and diabetes are expected to play a part, but the team behind the work suggest that environmental factors such as endocrine-disrupting chemicals – which can be found in various household items – and global heating could also be factors in the apparent striking decline. Ian Sample speaks to science correspondent Hannah Devlin to find

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00:16:43

‘A break from scrolling’: how Gen Z fell in love with...

Science Weekly ·

2026/07/07

In the last 50 years, Britain has lost an astonishing 73 million wild birds from its landscape, according to the British Trust for Ornithology. Habitat loss, pesticides, disease, cats and the climate crisis mean there are fewer birds than ever before. For children and young people it can be difficult to appreciate the scale of the loss due to a psychological phenomenon called ‘shifting baseline syndrome’, where each generation inherits a degraded version of the environment, and therefore doesn’t

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00:16:53

‘Beautiful blobs’: can scientists build life from...

Science Weekly ·

2026/07/02

Researchers claim they are closer to creating life from nothing after building tiny, quivering blobs that use lab-made DNA to feed, grow and multiply in a dish. To find out how significant this step is, and where scientists hope it will lead, Madeleine Finlay hears from co-host Ian Sample and from Kate Adamala, professor of genetics at the University of Minnesota. Help support our independent journalism at <a

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00:16:19

Reflecting pool algae: the science Trump needs to know

Science Weekly ·

2026/06/30

The Lincoln Memorial reflecting pool in Washington DC has hardly been out of the news since April when President Trump vowed to have it renovated, and painted ‘American flag blue’ by 4 July. Despite the pool being stripped, cleaned, coated and refilled, within days the algae that has plagued it for decades was back. To find out why these blooms happen, what makes them so difficult to tackle and what Trump could try next, Ian Sample hears from co-host Madeleine Finlay, and from Dr Linda May, a

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00:19:53

Nature or nurture: can genes make us behave ‘badly’?

Science Weekly ·

2026/06/25

How much do our genes determine about our lives, and could they influence traits like risk-taking, antisocial behaviour or even violence? Ian Sample talks to Kathryn Paige Harden, a behavioural geneticist and professor of psychology at the University of Texas at Austin who studies how genetic factors shape human behaviour. In her book Original Sin she explores how nature and nurture combine to influence our likelihood of committing crimes, and asks whether the ‘cause’ of our actions matters for how

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00:14:41

Extreme heat: is the UK becoming a 40C country?

Science Weekly ·

2026/06/23

Met Office forecasters have issued a rare red weather warning for England, with temperatures potentially reaching 40C (104F) in some places. Europe is also dealing with a debilitating heatwave, with schools closed, trains cancelled and France even restricting the consumption of alcohol outdoors to take pressure off the emergency services. The high temperatures coincide with the coming El Niño, which some scientists have nicknamed Godzilla for its predicted strength. To find out whether the two are

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00:16:22

The audacious plan to refreeze the Arctic

Science Weekly ·

2026/06/18

Sea ice is melting fast and worsening the climate crisis. But what if there were a way to thicken it again? Madeleine Finlay is joined by environment editor Damian Carrington to discuss a bold attempt to refreeze the Arctic which is showing early signs of success. He visited the project to find out how it will work, how much it will cost and whether it really has potential to improve the fate of the Arctic’s ice. Help support our independent journalism at <a

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00:20:17

Should we ban social media for under-16s?

Science Weekly ·

2026/06/15

The UK prime minister, Keir Starmer, has announced a social media ban for under-16s, as part of an online safety drive that aims to go even further than the world’s first ban, introduced by Australia last year. Many parents have welcomed the proposals, but scientists have pointed to the lack of strong evidence for the efficacy of bans, and some campaigners have argued that the proposal allows social media companies to avoid making meaningful changes on their platforms. Ian Sample is joined by

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00:14:54

‘The undruggable became druggable’: a gamechanging...

Science Weekly ·

2026/06/11

A daily pill can double survival time in patients with the world’s deadliest cancer, according to the results of a clinical trial that experts are saying is a gamechanger and one of the biggest breakthroughs in decades. To find out more about how daraxonrasib works and how life-changing it could be for patients, Madeleine Finlay speaks to Prof Naureen Starling, consultant medical oncologist at the Royal Marsden hospital. Help support our independent journalism at <a

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00:17:15

The dinosaurs who survived the asteroid

Science Weekly ·

2026/06/09

While many dinosaurs were wiped out when a colossal asteroid struck Earth 66m years ago, one group survived: birds. Prof Steve Brusatte, a palaeontologist at the University of Edinburgh, has written a new book, The Story of Birds, tracing the evolution of our feathered friends from their dinosaur origins. He joins science correspondent Nicola Davis to discuss how scales first became feathers, how winged dinosaurs survived the impact of the asteroid and why their extreme adaptability offers hope that

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00:20:48

Heatstroke, sports washing and VAR psychology: the...

Science Weekly ·

2026/06/04

It’s just a week until the first whistle of the 2026 World Cup. To mark the occasion, Madeleine Finlay talks to Ian Sample about the science behind the tournament. It’s likely to be one of the hottest ever World Cups, and scientists have written to Fifa asking it to reconsider its heat mitigations for players and referees. Dr Oliver Gibson of Brunel University outlines their concerns. Also on the agenda is the huge fossil-fuel impact of the tournament, and the effect of VAR on the psychology of

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