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Science Weekly

The Guardian

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

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All Episodes

00:14:59

Cop27: Is it time to rethink endless economic growth?

Science Weekly ·

2022/11/09

A key goal of governments around the world is economic growth – continually increasing production and consumption to keep GDP rising. But can our economies grow on a rapidly warming planet with finite resources? According to a recent UN report, the only way left to limit the worst impacts of the climate crisis is a “rapid transformation of societies”. In our third Cop27 special, Ian Sample speaks to ecological economist Tim Jackson about the myth of eternal growth, other ways to think about progress

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00:17:11

Cop27: Who are the real climate leaders?

Science Weekly ·

2022/11/08

As world leaders began to gather at Cop27 yesterday, speeches began on the main stage in Sharm el-Sheik. Presidents and prime ministers spoke of the need to rapidly reduce carbon emissions and the horrendous impacts of climate breakdown. But, if previous years are anything to go by – these words may not turn into concrete actions. Instead, indigenous and community groups are leading the charge on saving the planet. Madeleine Finlay speaks to Nina Lakhani about the need for climate justice, and hears

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00:14:33

Cop27: a chance for change – or more of the same?

Science Weekly ·

2022/11/03

On Sunday, world leaders, negotiators and industry representatives will begin to arrive in Sharm el-Sheik in Egypt for Cop27, the UN’s climate change conference. A UN report set the stage for talks last week, stating that there is “no credible pathway to 1.5C in place” and that progress on limiting global temperature rises has been “woefully inadequate”. So will governments take the opportunity to press ahead with their promises or could the conference live up to accusations of greenwashing? In the

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00:14:58

Could a prescription of surfing help with depression?

Science Weekly ·

2022/11/01

A new trial is exploring if prescriptions of surfing, gardening and dance classes can reduce anxiety and depression in people aged 11 to 18. NHS mental health trusts in 10 parts of England will use a range of sports, arts and outdoor activities with 600 young people to see if it can stop conditions worsening while the sufferers are on waiting lists for care. This kind of support is known as ‘social prescribing’, allowing health professionals to refer patients to a range of community groups and

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00:16:50

Stories from a medieval graveyard: worms, wounds, and...

Science Weekly ·

2022/10/27

Crushed by a cart, infected with parasitic worms and painful bunions caused by pointy shoes. These might sound like curses you’d wish on your worst enemy, but a group of researchers have discovered they were probably a part of normal life in medieval Cambridge. Across several archaeological sites, the team have excavated and analysed hundreds of bones to uncover the accidents and afflictions of people in the middle ages. In this Halloween special, Madeleine Finlay hears from Nicola Davis as she

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00:13:56

Is it ethical to put human brain cells in a rat?

Science Weekly ·

2022/10/25

Researchers have successfully transplanted human neurons into the brains of rats. The recent, groundbreaking study described how the human cells took root inside the rat brains, hooked up to their blood supplies and tapped into neural circuitry. Rather than create a kind of super-rat, the ultimate aim is to better understand neuropsychiatric disorders such as epilepsy and schizophrenia, and examine the effects of drugs in real time. But do the potential benefits outweigh the ethical questions that

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00:14:33

Can rituals help with our grief for the natural world?

Science Weekly ·

2022/10/20

Last week, a scientific assessment found wildlife populations have plunged by an average of 69% in just under 50 years. Such rapid and significant losses are leaving many of us with a deep sense of grief and anxiety. To make sense of these emotions and channel them into action, people are increasingly performing rituals and commemorative acts for the natural world. Madeleine Finlay speaks to Prof Claire White about the power of rituals in bringing us together to process grief, and hears from author

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00:14:17

How a scientific scandal could force sport to rethink...

Science Weekly ·

2022/10/18

Dr Paul McCrory is a world-renowned concussion expert whose work shaped concussion policy across global sport for the past 20 years. In his work, and through his role on the influential Concussion in Sport Group, McCrory had previously adopted a sceptical view on the link between concussions and chronic traumatic encephalopathy (CTE) – a progressive brain condition whose symptoms are similar to Alzheimer’s disease. Last week, the British Journal of Sports Medicine (BJSM) retracted nine of his

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00:12:18

Could moth larvae be the answer to our plastic problem?

Science Weekly ·

2022/10/13

Plastic pollution is damaging the health of the environment, wildlife and us. It has been found on remote islands, in Antarctic snow and in human blood, breast milk and lungs. Alongside rapidly reducing how much plastic we produce, we also need to find new ways to tackle the waste we have created. Madeleine Finlay speaks to the Guardian’s environment editor, Damian Carrington, about the discovery of an enzyme that can rapidly break down plastic bags – found inside the saliva of wax worms – and where

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00:12:18

Why does Elon Musk want to buy Twitter?

Science Weekly ·

2022/10/11

Back in April this year, Tesla chief executive Elon Musk signed a $44bn (£40bn) takeover agreement for Twitter. But, in July, the world’s richest man said he was walking away from the controversial deal, arguing Twitter has more spam accounts than it claims. Then, last week, Musk offered to complete the acquisition in a dramatic U-turn. So what might happen next? Ian Sample talks to the Guardian’s global technology editor, Dan Milmo, about why Musk wants to own the social media platform, hears about

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00:15:06

Why is the government in Iran shutting down the...

Science Weekly ·

2022/10/06

On 13 September Mahsa Amini, a 22-year-old Kurdish woman, was arrested in Tehran for allegedly violating Iran’s hijab rules. Three days later she was dead. Since then, videos of anti-regime demonstrations and acts of resistance have gone viral – leading the government to block internet access in parts of Tehran and Kurdistan. Madeleine Finlay speaks to Azadeh Akbari about why Mahsa Amini’s death has sparked so much anger, and hears from Alp Toker about how governments and regimes around the world

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00:11:51

Covid-19: is there a ‘twindemic’ coming?

Science Weekly ·

2022/10/04

As the UK heads into autumn, Covid-19 appears to be surging again. According to official data, 40,650 people tested positive in England in the seven days up to and including 24 September. This was an increase of 42% on the week before. But as we brace for another wave, experts are also concerned about a potential rise in influenza. Ian Sample speaks to Prof Peter Openshaw about the Omicron variant, why we’re at risk of a ‘twindemic’ this year and whether it’s time we all start taking more preventive

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00:14:02

Why did Nasa smash its spacecraft into an asteroid?

Science Weekly ·

2022/09/29

This week, Nasa scientists smashed a spacecraft into an asteroid, more than 11m km from Earth. Most rocket scientists would wince at the thought, but the Double Asteroid Redirection Test, or DART, was purposefully designed to slam head-on into the asteroid Dimorphos. The aim is to nudge it off its current orbit, in an experiment that will assess the possibility of deflecting a killer space rock – if one was ever headed our way. Ian Sample speaks to Prof Colin Snodgrass about why they chose

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00:17:29

How a man and his dogs discovered the cause of...

Science Weekly ·

2022/09/27

The Breakthrough prizes are described by their Silicon Valley founders as ‘the Oscars of science’, and while they are not as glamorous, they do come with a $3m award. This year, one of the prizes was dished out to Prof Emmanuel Mignot at Stanford University and Masashi Yanagisawa at the University of Tsukuba for their work uncovering the cause of narcolepsy. Their discovery has opened the door to the development of treatments for this chronic and often debilitating condition. Madeleine Finlay speaks

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00:16:44

Why is the NHS in crisis, and can it be fixed?

Science Weekly ·

2022/09/22

The UK’s new health secretary, Thérèse Coffey, has not taken on an easy job. Almost two-thirds of trainee GPs plan to work part-time just a year after they qualify, reporting that the job has become too intense to safely work more. A record 6.8 million people are waiting for hospital treatment in England, and 132,139 posts lie vacant across the NHS in England. Ian Sample hears from acute medicine consultant Dr Tim Cooksley about what’s happening within the NHS, and speaks to the Guardian’s health

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00:17:33

How will Jacob Rees-Mogg tackle the energy and...

Science Weekly ·

2022/09/20

Against a backdrop of a cost of living crisis caused in part by soaring energy prices, the UK’s new prime minister, Liz Truss, appointed MP Jacob Rees-Mogg as secretary of state for business and energy. In this role, Rees-Mogg will have to tackle these issues while being responsible for the UK’s legally binding target of net zero greenhouse gas emissions by 2050. It is a goal he has previously described as ‘a long way off’. Madeleine Finlay hears from environment correspondent Fiona Harvey about his

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00:11:47

How air pollution is changing our view of cancer

Science Weekly ·

2022/09/15

According to the World Health Organisation, air pollution causes 7 million premature deaths every year. We’ve known for a long time that air pollution causes lots of health problems, including lung cancer – but exactly how the two were linked was somewhat of mystery. Last week, a team from the Francis Crick Institute and University College London presented findings that shed new light on the role between air pollution and lung cancer. And, in doing so, could make us rethink how cancer develops

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00:11:58

Why do we grieve the death of public figures?

Science Weekly ·

2022/09/13

As we collectively mark the loss of the longest-serving monarch in British history and all that she represented on a national scale, many people are feeling a much more personal impact. The Guardian’s science editor, Ian Sample, talks to Prof Michael Cholbi about what grief is, how losing a public figure can have such a profound impact on our lives, and why there’s value in grieving. Help support our independent journalism at <a

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00:16:20

Could a new vaccine tackle rising rates of Lyme disease?

Science Weekly ·

2022/09/08

According to a recent study, more than 14% of the world’s population probably has, or has had, tick-borne Lyme disease – an infection that can cause long and debilitating symptoms. That number is set to rise too, as climate and environment changes continue to increase tick populations and distribution. To help prevent some of these cases, pharmaceutical company Pfizer and biotech company Valneva will soon be testing a new vaccine against Lyme disease with 6,000 volunteers across Europe and in the

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00:13:06

What could go wrong at the Zaporizhzhia nuclear plant?

Science Weekly ·

2022/09/06

Last week, a team of inspectors from the International Atomic Energy Agency (IAEA) arrived at Ukraine’s Zaporizhzhia nuclear power plant. The plant was seized by Russian forces in early May and has recently been the target of sustained shelling, increasing the risk of a nuclear disaster. The head of the IAEA, Rafael Grossi, who is leading the inspection team, has reported that the integrity of the plant has been violated several times. Ian Sample speaks to Prof Claire Corkhill about what this could

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