NakedScientists

NakedScientists

@nakedscientists · 36K subscribers · 4,416 videos · French

Based at Cambridge University and broadcasting internationally, we make scientific programmes, podcasts and video content for the BBC, the ABC and other broa…

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Ebola still surging in Africa, and Mars dust danger

12 views · 3h ago · 34:27

Coming up: Africa's leading public health agency has warned that the Ebola outbreak could spread beyond the continent. What are the risks? Plus, we hear from the team behind an electronic implant with a catalytic converter to remove glucose from the blood; why Mars dust may pose a problem for astronauts; and the seabirds that experience jet lag when crossing the Atlantic. Like this podcast? Please help us by supporting the Naked Scientists (

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Why the nose knows: how important is smell?

54 views · 8h ago · 22:33

Introducing "Smellyvision": this week, we talk about new tech that transmits smells alongside sounds and pictures, and ask whether smell is our most underrated sense. Also, are Bill Gates' fears that AI will erode our intellect well-founded, and why do some worry it might lead to better biological weapons? Meanwhile, how has Jonathan the giant tortoise lived to almost 200, and how long could a human theoretically survive?

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A sweet truth: the history and science of sugar

222 views · 3d ago · 29:43

This week, Rachael Ralph investigates sugar. Perry Bateman from British Sugar tells her how white sugar and demerara differ; the British Dental Association's Mick Armstrong explains how a high-sugar diet leads to cavities; and Lucy Chambers at Diabetes UK looks at the long-term consequences of high blood sugar. Are artificial sweeteners truly better? Gunter Kuhnle and Jason Halford weigh in. Like this podcast? Please help us by supporting the Naked Scientists (

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Mars moon mission to Phobos, and a DNA typewriter

304 views · 1w ago · 37:25

Today, we explore a Japanese mission to return a sample from Phobos. What might the project tell us about Mars's moons? Plus, Mariam Jamal-Hanjani at Cancer Research UK on Pope Leo's lung cancer diagnosis and treatment; scientists develop a DNA typewriter to track where all the cells in a mouse come from, and can we put a price on the value of breastfeeding? Chris Smith and Rachael Ralph report. Like this podcast? Please help us by supporting the Naked Scientists (

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Is static electricity down to positive or negative charges?

141 views · 1w ago · 20:48

Why has everyone got a cold at the moment? How does an elemental diet treat inflammatory bowel disease? How does chlorine clean up drinking water? What is cholera? Can silver sterilise surfaces and water? Is static electricity down to positive or negative charge? What is reverse osmosis water filtering, and why is it controversial? Dr Chris Smith and Clarence Ford have the answers. Like this podcast? Please help us by supporting the Naked Scientists (

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Nature's clocks: why some lives fly by

316 views · 1w ago · 36:13

Today, what causes ageing, and why some animals age faster than others. Joao Pedro Magalhaes discusses ageing biochemistry; Noah Snyder-Mackler links "jumping genes" to shorter lifespans in big dogs; Stephen Clark introduces Jonathan, the 194-year-old tortoise; and Andrew Steele explains Peto's Paradox, showing why large animals get less cancer than expected. Like this podcast? Please help us by supporting the Naked Scientists (

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US blocks Starlink in Ukraine, and a Parkinson's blood test

284 views · 2w ago · 32:39

Coming up, the US places restrictions on Starlink in Ukraine, and MI5 chief Sir Ken McCallum warns that AI is accelerating cyber threats from Russia. Plus, an electronic sensor that can help detect Parkinson's disease, the health of a generation raised on sugar rations, and why dogs can understand our words and intonation. Like this podcast? Please help us by supporting the Naked Scientists (

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Is AI damaging our ability to think for ourselves?

233 views · 2w ago · 20:01

How do dogs decode human speech? Can they actually understand one another, and do they bark with an accent? Also, do all animals pair for life? Why are biometric fingerprint scanners tricky for older people? And is AI damaging our ability to think for ourselves? Plus, what's the problem with asking AI to solve complex maths puzzles, and can it also help decode what animals are saying? Dr Chris Smith and Clarence Ford have the answers. Like this podcast?

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What is menopause, and how can you manage it?

236 views · 2w ago · 31:27

Today, Rachael Ralph explores menopause and perimenopause. This episode features renowned gynecologist Heather Currie on what we know about this stage of life and who it affects; GP and broadcaster Nighat Arif on menopause-related problems and possible treatments; Uri Alon at the Weizmann Institute of Science on whether menopause involves a 'cliff-like' decline; and Lachlan MacBean at the University of Exeter on his team's research. Like this podcast?

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Plague death in Russia, and the 2026 Nobel Prizes

444 views · 3w ago · 36:53

A 28-year-old Russian researcher has reportedly died after contracting pneumonic plague. What do we know about this medieval-era disease? Plus, we unpack the 2026 Nobel Prizes, the world's first self-setting nuclear clock begins ticking in Vienna, and why scientists are simulating microgravity on cells in a dish. Like this podcast? Please help us by supporting the Naked Scientists (

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Why do we get floaters in our eyes?

334 views · 3w ago · 22:11

Who scooped Nobel Prizes at this year's ceremony in Stockholm? How concerned should we be about AI's impact on society? Why do men have larger Adam's apples? How can we make sure we eat a balanced diet? What causes floaters in your eyes? Is the expanding Universe contracting elsewhere? And is there a new fluoride-free toothpaste gel that rebuilds teeth? Dr Chris Smith and Saskia Falken have the answers. Like this podcast? Please help us by supporting the Naked Scientists (

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Why AI is changing everything

297 views · 3w ago · 36:14

In this special episode, in partnership with Frontiers Science House, we launch our new Why? series by asking one of the biggest questions of our time: Why AI? Why has artificial intelligence advanced so rapidly, why does it work the way it does, and why could it fundamentally change how we think, work, and live? To explore the answers, we hear from four remarkable voices at the heart of the AI conversation: Geoffrey Hinton, Mike Wooldridge, Cristina Criddle, and Wendy Hall.

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Cancer drug gene screen, and world's most powerful rocket

342 views · 4w ago · 33:09

New CRISPR technology tool uncovers genes that have become resistant to chemotherapy drugs. We speak with the scientist behind the cancer discovery. Plus, how butterflies use their wing patterns to confuse and evade predators; why Fiji has declared HIV a national emergency; and how SpaceX's Starship rocket launch is fuelling the race back to the Moon. Like this podcast? Please help us by supporting the Naked Scientists (

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Do giraffes have the same number of neck bones as humans?

203 views · 4w ago · 17:13

Dr Chris Smith and Relebogile Mabotja explore why it's hard to reach a human in customer service. How did humans migrate from Africa, and can we trace our ancient paths? Why do people and animals have different neck sizes? Can you really hear your heartbeat when your head's on the pillow? Why is swimming in cold water easier than taking a cold shower? Why do your ears block when you yawn or blow your nose? Why don't you notice yourself growing? Like this podcast?

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What is heart disease, and how can it be tackled?

412 views · 1mo ago · 32:22

Today, in partnership with British Heart Foundation (BHF), we take on the world's biggest killer: heart disease. This episode features BHF's Ruth Goss on why this disease kills so many people; Will Watson at the Royal Papworth Hospital in Cambridge on what arterial disease looks like under a microscope; Cathy Shanahan at King's College London on attempts to stop blood vessels from becoming hard and stiff; and BHF's Sonya Babu-Narayan on risk management and heart disease…

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