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PODCAST

Science Weekly

Alok Jha and the Guardian"s science team bring you the best analysis and interviews from the worlds of science and technology.

science nature

All Episodes

14:27

What are ‘forever chemicals’ and why are they causing...

Science Weekly ·

2023/02/28

Madeleine Finlay speaks to environmental journalist Rachel Salvidge about PFAS, also known as ‘forever chemicals’, which have been found at high levels at thousands of sites across the UK and Europe. Rachel explains what they are, how harmful they can be, and what can be done to mitigate their effects. Help support our independent journalism at theguardian.com/sciencepod

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15:43

15-minute cities: mundane planning concept or global...

Science Weekly ·

2023/02/23

Madeleine Finlay speaks to the Guardian’s architecture and design critic, Oliver Wainwright, about why the relatively obscure concept of the 15-minute city has become a magnet for conspiracy theories in recent weeks. And hears from Dr Richard Dunning about how the theory can be implemented in a way that’s fair to all residents. Help support our independent journalism at theguardian.com/sciencepod

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13:12

Are weight loss injections the solution to the...

Science Weekly ·

2023/02/21

Ian Sample speaks to Guardian science correspondent Nicola Davis about the news that Wegovy, an appetite suppressant popular with celebrities in the US, will soon be sold at UK pharmacies. It’s a prescription drug aimed at helping people with obesity lose weight, but some argue it doesn’t tackle the root cause. Help support our independent journalism at theguardian.com/sciencepod

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14:36

Online misogyny: what impact is it having on children?

Science Weekly ·

2023/02/16

According to new research by the children’s commissioner for England, one in 10 children have watched pornography by the time they are nine years old. And teachers say the effects are being felt in schools. So what makes young people vulnerable to this kind of content, and what impact might it have on their brains and behaviour? Madeleine Finlay speaks to Guardian education correspondent Sally Weale, and to consultant child and adolescent psychiatrist Dr Dickon Bevington. Help support our

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13:57

Antibiotic resistance: where do we go next?

Science Weekly ·

2023/02/14

Climate change and pollution are the latest factors contributing to a global rise in antibiotic-resistant superbugs, according to a report from the UN environment agency. Given that no new class of antibiotics has been discovered since the 1980s, what are our best hopes for tackling these bugs in the future? Ian Sample speaks to the Guardian’s science correspondent Hannah Devlin about genetically modified bacteria, the potential of plant toxins, and why scientists are hunting for viruses known

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16:08

What can we really learn from home blood testing kits?

Science Weekly ·

2023/02/09

Companies selling private blood tests offer customers a way to check their health – from measuring cholesterol levels to thyroid hormones – from the comfort of their home. But what happens if there’s an abnormal result? Madeleine Finlay speaks to health journalist Emma Wilkinson and consultant chemical pathologist Dr Bernie Croal about how these tests work, how to interpret your results and whether an already overstretched NHS is being left to deal with the worried well. Help

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13:33

How has the Russia-Ukraine war disrupted science?

Science Weekly ·

2023/02/07

As we approach the anniversary of Russia’s invasion of Ukraine, Ian Sample talks to physicist Prof John Ellis, and Arctic governance expert Svein Vigeland Rottem, about how the world of science has had to adapt. Help support our independent journalism at theguardian.com/sciencepod

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14:44

Can we restore England’s lost wildlife?

Science Weekly ·

2023/02/02

This week the government published a major environmental improvement plan for England. It has pledged that every household will be within a 15-minute walk of green space or water, the restoration of 1.2m acres of wildlife habitat, and that sewage spills will be tackled with upgrades to wastewater treatment works. Madeleine Finlay speaks to the Guardian’s environment editor, Fiona Harvey, about the state of nature in the UK, what this plan promises to do, and whether it’s ambitious enough

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12:17

How to spot the exotic green comet (and what might...

Science Weekly ·

2023/01/31

This week star gazers will be hoping to catch sight of an exotic green comet that last passed by Earth 50,000 years ago. But, unlike the view our Neanderthal ancestors would have had, light pollution will make witnessing this celestial event an impossibility for many. Ian Sample speaks to astronomy journalist Dr Stuart Clark about how best to see the comet, and why it’s time to rethink our relationship with the night sky. Help support our independent journalism at

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15:03

How will ChatGPT transform creative work?

Science Weekly ·

2023/01/26

ChatGPT has been causing a stir since its launch last year. The chatbot’s ability to produce convincing essays, stories and even song lyrics has impressed users, and this week attracted a multibillion-dollar investment from Microsoft. Ian Sample speaks to Prof John Naughton about how ChatGPT works, hears from author Patrick Jackson about how it will change publishing, and asks where the technology could end up. Help support our independent journalism at theguardian.com/sciencepod

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13:44

Overcoming burnout: a psychologist’s guide

Science Weekly ·

2023/01/24

Last week, New Zealand’s prime minister Jacinda Ardern announced her resignation, saying that she “no longer had enough in the tank” to do the role justice. Madeleine Finlay speaks to cognitive scientist Prof Laurie Santos about the symptoms of burnout, what causes it and the best ways to recover. Help support our independent journalism at theguardian.com/sciencepod

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12:29

Could the return of El Niño in 2023 take us above...

Science Weekly ·

2023/01/19

Scientists have predicted the return of the El Niño climate phenomenon later this year. Its arrival will result in even higher global temperatures and supercharged extreme weather events. Ian Sample speaks to environment editor Damian Carrington about what we can expect from El Niño and whether we’re prepared. Help support our independent journalism at theguardian.com/sciencepod

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11:47

What’s the reality behind the ‘Love Island smile’?

Science Weekly ·

2023/01/17

As the ninth series of ITV show Love Island kicked off yesterday, viewers may have noticed contestants’ perfectly straight, white teeth. But are there risks associated with achieving a flawless smile? Madeleine Finlay speaks to dentist Paul Woodhouse about some of the dangers of dental tourism. Help support our independent journalism at theguardian.com/sciencepod

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15:22

How did we save the ozone layer?

Science Weekly ·

2023/01/12

A UN report has found the Earth’s ozone layer is on course to be healed within the next 40 years. What was once humanity’s most feared environmental peril is now an example of how the world can take collective action. Madeleine Finlay speaks to atmospheric scientist Paul Newman about this momentous achievement and whether it really is the end of the story. Help support our independent journalism at theguardian.com/sciencepod

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15:42

Our science predictions for 2023

Science Weekly ·

2023/01/10

Last year saw several major science breakthroughs – from the first time a nuclear fusion experiment produced more energy than it used, to Nasa smashing a spacecraft into an asteroid in a mission that demonstrated the possibility of redirecting any space rocks heading our way. So what will 2023 bring? Ian Sample and science correspondent Hannah Devlin discuss the major stories they are expecting to hit the headlines in 2023, and their science predictions for the year ahead.. Help support our

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15:19

Best of 2022: James Webb space telescope – thousands...

Science Weekly ·

2023/01/05

When Nasa unveiled the first images from the long-awaited James Webb space telescope, they revealed our universe in glorious technicolour. The $10bn space science observatory will help scientists answer fundamental questions in astronomy and look back to the dawn of time. In this episode first broadcast in July 2022, Prof Ray Jayawardhana, who is working with one of the instruments onboard the JWST, speaks to Ian Sample about what these images show us, and what they mean for the very human quest of

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15:39

Best of 2022: Why aren’t women being diagnosed with...

Science Weekly ·

2023/01/03

It’s estimated that 1 million women in the UK could have attention deficit hyperactivity disorder – but according to the ADHD Foundation, 50% to 75% of them do not know they have it. So why are women being left behind? In this episode, first broadcast in May 2022, Madeleine Finlay speaks to Jasmine Andersson about her experience of getting a late diagnosis, and asks Prof Amanda Kirby why the condition is so often missed in women and girls. Help support our independent journalism at

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14:33

Are we finally nearing a treatment for Alzheimer’s?

Science Weekly ·

2022/12/29

Back in November, researchers hailed the dawn of a new era of Alzheimer’s therapies. After decades of failure, a clinical trial finally confirmed that a drug, lecanemab, was able to slow cognitive decline in patients with early stages of the disease. The result may have been modest – a reduction in the decline in patients’ overall mental skills by 27% over 18 months – but it could not be more significant in the journey towards better understanding and treating the disease

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18:20

Exploded heads and missing fingers: Dame Sue Black on...

Science Weekly ·

2022/12/27

From a fragment of skull in a washing machine to a finger bone found by a dog walker, the forensic anthropologist Prof Dame Sue Black has helped solve many strange and mysterious cases. This year, she will be giving the Royal Institution Christmas lectures, Britain’s most prestigious public science lectures. In them, she’ll be investigating the secret clues hidden in our bodies and how the scientific detective process can be used to identify the living and the dead. Nicola Davis sat down

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13:02

The science of how to give better gifts

Science Weekly ·

2022/12/22

As Christmas approaches, many of us will have spent the last few weeks trying to pick out the perfect presents for friends, family and colleagues. For both giver and receiver, exchanging gifts can be filled with delight – or dread, as a smile slowly fades into a look of feigned enthusiasm. But what does science say about how to avoid unwanted gifts and unpleasant surprises? Ian Sample speaks to Julian Givi about his research unwrapping what we all actually want under the tree, and hears his

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223 results

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