Science Weekly
Alok Jha and the Guardian's science team bring you the best analysis and interviews from the worlds of science and technology.
What should we do about the rise in children vaping?
Madeleine Finlay speaks to former Guardian health editor Sarah Boseley about the rise in vaping among under-18s and what can be done to discourage more children from taking up the habit. She also hears from Prof Linda Bauld about the impact of vaping on young people. Help support our independent…
What are ‘forever chemicals’ and why are they causing alarm?
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…
15-minute cities: mundane planning concept or global conspiracy?
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…
Are weight loss injections the solution to the obesity crisis?
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…
Online misogyny: what impact is it having on children?
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…
Antibiotic resistance: where do we go next?
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?…
What can we really learn from home blood testing kits?
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…
How has the Russia-Ukraine war disrupted science?
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
Can we restore England’s lost wildlife?
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…
How to spot the exotic green comet (and what might get in the way)
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…
How will ChatGPT transform creative work?
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…
Overcoming burnout: a psychologist’s guide
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…
Could the return of El Niño in 2023 take us above 1.5C of warming?
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…
What’s the reality behind the ‘Love Island smile’?
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…
How did we save the ozone layer?
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…
Our science predictions for 2023
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?…
Best of 2022: James Webb space telescope – thousands of galaxies in a grain of sand
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…
Best of 2022: Why aren’t women being diagnosed with ADHD?
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…
Are we finally nearing a treatment for Alzheimer’s?
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…
Exploded heads and missing fingers: Dame Sue Black on her most memorable cases
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…