Red-light masks: can they really slow ageing?

Red-light masks: can they really slow ageing?

Home red-light therapy devices have exploded in popularity as masks, body wraps and mittens promise to reduce wrinkles, redness and even acne. But do the claims stack up, and what other benefits are scientists investigating? Ian Sample hears from his co-host, Madeleine Finlay, and the consultant dermatologist Dr Jonathan Kentley. Kentley explains how the potential benefits of red light were discovered, how it is thought to interact with collagen in our skin, and what science has to say about its impact on our appearance. Help support our independent journalism at theguardian.com/sciencepod

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Extreme heat: is the UK becoming a 40C country?

Extreme heat: is the UK becoming a 40C country?

Met Office forecasters have issued a rare red weather warning for England, with temperatures potentially reaching 40C (104F) in some places. Europe is also dealing with a debilitating heatwave, with s...

23 Kesä 14min

The audacious plan to refreeze the Arctic

The audacious plan to refreeze the Arctic

Sea ice is melting fast and worsening the climate crisis. But what if there were a way to thicken it again? Madeleine Finlay is joined by environment editor Damian Carrington to discuss a bold attempt...

18 Kesä 16min

Should we ban social media for under-16s?

Should we ban social media for under-16s?

The UK prime minister, Keir Starmer, has announced a social media ban for under-16s, as part of an online safety drive that aims to go even further than the world’s first ban, introduced by Australia ...

15 Kesä 20min

‘The undruggable became druggable’: a gamechanging treatment for the world’s deadliest cancer

‘The undruggable became druggable’: a gamechanging treatment for the world’s deadliest cancer

A daily pill can double survival time in patients with the world’s deadliest cancer, according to the results of a clinical trial that experts are saying is a gamechanger and one of the biggest breakt...

11 Kesä 14min

The dinosaurs who survived the asteroid

The dinosaurs who survived the asteroid

While many dinosaurs were wiped out when a colossal asteroid struck Earth 66m years ago, one group survived: birds. Prof Steve Brusatte, a palaeontologist at the University of Edinburgh, has written a...

9 Kesä 17min

Heatstroke, sports washing and VAR psychology: the science of the World Cup

Heatstroke, sports washing and VAR psychology: the science of the World Cup

It’s just a week until the first whistle of the 2026 World Cup. To mark the occasion, Madeleine Finlay talks to Ian Sample about the science behind the tournament. It’s likely to be one of the hottest...

4 Kesä 20min

The incredible science of the sleeping brain

The incredible science of the sleeping brain

Humans have been wondering why we sleep for thousands of years. Is sleep’s purpose rest and relaxation, memory consolidation or maybe cognitive processing? In the last 15 years, scientists have discov...

2 Kesä 14min

Are robots nearing their ChatGPT moment?

Are robots nearing their ChatGPT moment?

Last month at Beijing’s half marathon, a robot named Lightning beat the human world record by nearly seven minutes. It’s the latest in a string of AI-powered milestones that have got people wondering ...

28 Touko 17min

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