Guardian Science Weekly

Science Weekly

Alok Jha and the Guardian's science team bring you the best analysis and interviews from the worlds of science and technology.
Weekly English United Kingdom Science · Nature
803 Episodes
380 – 400

What should we do about monkeypox?

The sudden surge of monkeypox cases outside Africa has alarmed public health authorities around the world. In Europe and North America it’s the first time community transmission has been recorded among people with no links to west or central Africa. So what is happening? Ian Sample talks to virologist Oyewale…
26 May 2022 14 min

What will the cost of living crisis do to our health?

Millions around the world are struggling with higher food and energy prices. In the UK inflation has reached a 40-year high of 9% in the 12 months to April, leaving many struggling to pay bills and shoulder normal living costs. When the weekly shop gets smaller and the flat gets…
23 May 2022 14 min

The destruction of Gran Chaco, forgotten sister of the Amazon rainforest

From deep inside Gran Chaco, a dry tropical forest in Argentina one and a half times the size of California, comes a wake-up call for the world’s forests. We’ve lost more than a fifth of this incredibly biodiverse region since 1985. And it’s just one of many precious carbon-trapping ecosystems…
19 May 2022 13 min

Is the world keeping Cop26’s climate promises?

Last November in Glasgow, countries agreed to limit the global temperature rise to 1.5C above pre-industrial averages. Six months on, the world has changed, with the war in Ukraine, high energy prices and the cost of living crisis threatening to derail us from achieving our climate goals. Ian Sample speaks…
17 May 2022 14 min

Why aren’t women getting diagnosed with ADHD?

It’s estimated that a million women in the UK could have attention deficit hyperactivity disorder – but according to the ADHD Foundation, 50–75% of them do not know they have it. Going without a diagnosis can impact someone’s education, employment and physical and mental health. So why are women being…
12 May 2022 16 min

‘It’s a hellfire!’: how are India and Pakistan coping with extreme heat?

India and Pakistan have experienced their hottest April in 122 years. Temperatures are nearing 50C. Such extreme heat dries up water reservoirs, melts glaciers and damages crops. It’s also deadly. Ian Sample hears from Pakistan reporter Shah Meer Baloch about the situation on the ground, and speaks to Indian heat…
10 May 2022 12 min

Why is the UK suffering HRT shortages?

From hot flushes and flooding to memory problems and depression, for many the menopause can be both distressing and debilitating. Hormone replacement therapy (HRT) can alleviate some of these symptoms by boosting levels of hormones that wane as women get older. But the UK is experiencing an acute shortage of…
5 May 2022 11 min

Will the Large Hadron Collider find a new fifth force of nature?

The Large Hadron Collider (LHC) has recently been switched back on after a three-year hiatus to resolve a mysterious and tantalising result from its previous run. So far, everything discovered at the LHC has agreed with the standard model, the guiding theory of particle physics that describes the building blocks…
3 May 2022 16 min

What’s behind the mysterious global rise in childhood hepatitis?

Over the past few weeks, countries around the world have reported an unexpected increase in the number of children with hepatitis. So far about 200 cases have been reported. More than half have come from the UK, but there have also been reports from Spain, Japan and the US, among…
28 Apr 2022 10 min

Preventable author Devi Sridhar on how she handles Covid trolls

As the news came out of China that there was a new virus infecting humans, scientists around the world promptly got to work sequencing genomes, gathering data and communicating what they found with the public. One of the scientists catapulted into the public eye was Devi Sridhar, a professor in…
26 Apr 2022 14 min

Space junk – how should we clean up our act?

This week, the US became the first country to ban anti-satellite missile tests, in an effort to protect Earth’s orbit from dangerous space debris. There could be millions of pieces of old satellites and spent rockets zooming around above our atmosphere, at speeds where collisions can be catastrophic. Guardian science…
21 Apr 2022 14 min

Does China need to rethink its zero-Covid policy?

To slow down a surge in Covid cases, last week Chinese authorities put Shanghai into lockdown. But with a population of 26 million there have been difficulties providing residents with basic necessities, and videos have appeared on social media showing protests and scrambles over food supplies. Now, authorities plan to…
14 Apr 2022 12 min

Why are climate and conservation scientists taking to the streets?

Last week’s IPCC report gives the world just 30 months to get greenhouse gas emissions falling. Beyond that, we’ll have missed our chance of limiting global heating to 1.5C and protecting our planet from the most serious impacts of climate change. As the window closes, some scientists feel like writing…
12 Apr 2022 14 min

Why has the UK (finally) expanded its Covid symptoms list?

This week, the UK expanded its official Covid symptom list to 12 symptoms including sore throat, loss of appetite, and a blocked or runny nose. British scientists have long called for a broadening of the list, but the change comes at a time when free rapid tests have been scrapped,…
7 Apr 2022 12 min

Why is England keeping the abortion ‘pills by post’ scheme?

At the start of the Covid-19 pandemic, Great Britain brought in emergency legal orders to allow a ‘pills by post’ abortion service. For abortions within the first 10 weeks, women were able to take the two tablets needed to end a pregnancy in the privacy of their own home rather…
5 Apr 2022 14 min

Can the science of PTSD help soldiers in Ukraine?

The war in Ukraine, like other conflicts around the world, will mean millions of people going through horrific and traumatic events. Some may go on to develop post-traumatic stress disorder, or PTSD, experiencing psychological distress for months or even years afterwards. Ian Sample speaks to clinical psychologist Jennifer Wild about…
31 Mar 2022 11 min

COP15: is 2022 the year we save biodiversity?

As human activities like agricultural production, mining and pollution continue to drive the so-called sixth mass extinction, government negotiators from around the world are currently meeting in Geneva to try to protect the planet’s biodiversity. At stake is an ambitious Paris-style agreement for nature, the final version of which will…
29 Mar 2022 16 min

Two years on, what have we learned about lockdowns?

Over the past two years, countries around the world have shut down their societies in last-ditch efforts to contain the pandemic. Some, like China, have enforced strict lockdowns as part of a zero Covid strategy. Others have ordered people to stay at home to flatten the curve of infections and…
24 Mar 2022 12 min

As the energy crisis bites, could fracking ever actually work?

The average family’s energy bill will soon be increasing by 54% in the UK, amid soaring energy prices caused in part by Covid-19 lockdowns and Vladimir Putin’s decision to reduce gas exports prior to Russia’s invasion of Ukraine. In response, the UK government is considering all its options to secure…
22 Mar 2022 15 min
380 – 400