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
260 – 280

Extreme heat: what does it do to us and how can we adapt?

As record temperatures spread across the world, Ian Sample sets out to understand what heat does to our bodies and what we can do to mitigate it without causing more damage to the environment. He visits Prof Lewis Halsey’s team at the University of Roehampton and learns first-hand about the…
19 Jul 2023 21 min

What’s at stake if we mine the deep sea?

As the International Seabed Authority gathers in Jamaica to thrash out regulations for mining the deep sea, Chris Michael of the Guardian’s Seascape team gives Ian Sample the background to this highly contested decision. Ian also hears from the marine biologist Dr Diva Amon about why some scientists are sounding…
18 Jul 2023 18 min

Has a 25-year-old bet taken us a step closer to understanding consciousness?

Twenty-five years ago in a German bar, neuroscientist Christof Koch bet philosopher David Chalmers that we’d understand the neural basis for consciousness by 2023. Last month, the winner of the bet received a case of wine. Ian Sample talks to Christof and David about why they made the bet, who…
12 Jul 2023 14 min

The awe-inspiring intelligence of octopuses

Madeleine Finlay speaks to science correspondent Nicola Davis about why octopuses are more similar to us humans than we might believe. She also hears from Prof David Scheel about our increasing understanding of the sophistication of these cephalopods, and how that should influence our treatment of them. Help support our…
10 Jul 2023 18 min

Why inflammation matters, and what we can do to fight it

Ian Sample talks to Dr David Furman, an expert on inflammation and ageing at Stanford University. He explains how chronic inflammation is affecting our health and how lifestyle choices can help us fight it.. Help support our independent journalism at theguardian.com/sciencepod
6 Jul 2023 22 min

Why are windfarms turning record profits for the crown estate?

Madeleine Finlay speaks to the Guardian’s energy correspondent, Jillian Ambrose, about how offshore windfarms are generating record profits for the crown estate, and why King Charles has asked for the money to be used for the wider public good. She also hears from economist Guy Standing about how the seabed…
4 Jul 2023 17 min

Euclid: will the mission uncover the secrets of dark matter and dark energy?

Ian Sample speaks to the cosmologist Dr Andrew Pontzen about the European Space Agency’s Euclid mission, which hopes to uncover more about two of the universe’s most baffling components: dark energy and dark matter. Pontzen explains what the probe will be looking for and how its findings will contribute to…
29 Jun 2023 19 min

Why are orcas attacking boats and is the behaviour spreading?

Since 2020, orcas off the coast of Spain and Portugal have been ramming boats, biting rudders and, in a few cases, sinking entire vessels. Now it has been reported that a similar encounter has happened off Shetland. Madeleine Finlay speaks to marine biologist and orca expert Hanne Strager about what…
27 Jun 2023 19 min

Synthetic human embryos: can the law keep pace with the science?

Scientists have created synthetic human embryos using stem cells in a groundbreaking advance that sidesteps the need for eggs or sperm. Madeleine Finlay speaks to science correspondent Hannah Devlin about her world exclusive story on this development, what it could mean for medical research, and whether the ethical and regulatory…
22 Jun 2023 16 min

Cybercrime: what does psychology have to do with phishing?

At the start of 2023, the UK postal service Royal Mail was hit with an ultimatum: pay $80m (£67m) or continue to have international shipments blocked. The demand came from Russian-linked hackers the LockBit group, who had infiltrated Royal Mail’s software. Royal Mail refused to pay and eventually reinstated its…
20 Jun 2023 18 min

Will new treatments change the way we view cancer for good?

Ian Sample speaks to the Guardian’s health editor, Andrew Gregory, and Dr Roy Herbst about the world’s biggest annual gathering of oncology professionals. Each year’s event features a mass of new research, and 2023 was no exception. What were the standout advances, and could they lead to permanent changes in…
15 Jun 2023 16 min

Kakhovka dam destruction: why is Ukraine calling it ‘ecocide’?

Madeleine Finlay speaks to Doug Weir from the Conflict and Environment Observatory about why the collapse of the Kakhovka dam is likely to be so damaging for biodiversity, access to clean water and levels of pollution. He explains why the environment has become such a central part of the narrative…
13 Jun 2023 16 min

Why is Nasa looking into UFOs and what has it found so far?

Last week, Nasa held the first public meeting of a panel established to investigate sightings of UFOs. It came just before a whistleblower former intelligence official told the Debrief that the US government had ‘intact and partially intact’ craft of non-human origin. Ian Sample talks to Prof David Spergel, the…
8 Jun 2023 17 min

Why are food allergies on the rise and is a cure on the horizon?

Food allergies appear to be increasing globally, but as scientific understanding improves, some experts believe we may one day be able to eliminate them altogether. Ian Sample speaks to Dr Kari Nadeau, an allergy specialist at Harvard School of Public Health and author of the book The End of Food…
1 Jun 2023 16 min

Japanese knotweed: why is it so damaging and can it be stopped?

Since it was introduced to the UK in 1850, Japanese knotweed has gone from novel ornamental plant to rampant invasive species. Madeleine Finlay speaks to journalist Samanth Subramanian about the huge costs associated with finding it on a property, and Dr Sophie Hocking explains what the plant, and our attempts…
25 May 2023 18 min

What will we eat in a post-1.5C world?

We now know that global temperatures are likely to temporarily rise by more than 1.5C above pre-industrial levels in the next five years. Breaching this crucial threshold will give humanity an insight into what the next few decades could bring. It will undoubtedly have serious consequences in all aspects of…
23 May 2023 23 min

Menopause: could a new brain-based treatment cure hot flushes?

A first-of-its-kind non-hormonal drug to treat hot flushes has been approved in the US. Targeting connections in the brain that change during menopause, the drug, called fezolinetant, could provide relief for those who aren’t able to take hormonal replacement therapy. Madeleine Finlay speaks to endocrinologist and menopause specialist Prof Annice…
18 May 2023 15 min

Is it the beginning of the end for scientific publishing?

More than 40 leading scientists have resigned en masse from the editorial board of a top science journal in protest at what they describe as the ‘greed’ of the publisher. Ian Sample speaks to correspondent Hannah Devlin about the remarkably lucrative business of scientific publishing, hears from Prof Chris Chambers…
16 May 2023 19 min
260 – 280