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Ask the Naked Scientists Ask the Naked Scientists Dr Chris Smith Blurry Creatures Blurry Creatures Blurry Creatures The Real Truth About Health Free 17 Day Live Online Conference Podcast The Real Truth About Health Free 17 Day Live Online Conference Podcast Lloyd Burrell, Keith Block M.D., Jeffrey Smith, Michael Klaper M.D., Ralph Moss, Brenda Davis R.D., Mark Sloan, Gerald Posner, Ian Harris M.D., Neil Barnard M.D., Will Tuttle Ph.D., John McDougall M.D., Pam Popper Ph.D., Gabriel Cousens M.D., Brian Clement Ph.D., Anna Maria Clement Ph.D., Marianne Williamson, Vandana Shiva Ph.D., Aly Cohen M.D., Milton Mills M.D., Theodora Scarato, William Li M.D., David Katz M.D., Stephanie Seneff Ph.D., Julieanna Hever M.S., Dale Bredesen M.D., Hope Bohanec, Kim Williams M.D., Joel Kahn M.D., Michelle Perro M.D., David Wolfe, Melanie Joy Ph.D., Sunil Pai M.D., Baxter Montgomery M.D., Michael Greger M.D., Caldwell Esselstyn M.D., Joel Fuhrman M.D., Colin Campbell Ph.D. Thrilling Threads - Conspiracy Theories, Strange Phenomena, True Crime, Unsolved Mysteries, etc! Thrilling Threads - Conspiracy Theories, Strange Phenomena, True Crime, Unsolved Mysteries, etc! Byte & Pieces Reptile Fight Club Reptile Fight Club MPR Network The Gestalt Gardener The Gestalt Gardener MPB Think Radio Mises Media Mises Media Mises Institute R Weekly Highlights R Weekly Highlights Eric Nantz The Science Show The Science Show ABC Australia Fox Weather Update Fox Weather Update Fox Weather San Antonio Weather Daily San Antonio Weather Daily Fast Foundations Houston Weather Daily Houston Weather Daily Fast Foundations The Why Files: Operation Podcast The Why Files: Operation Podcast The Why Files Dark Mysteries — Unsolved Mysteries. Forgotten Secrets. Unanswered Questions. Dark Mysteries — Unsolved Mysteries. Forgotten Secrets. Unanswered Questions. Darkest Mysteries Online Cose Molto Umane di Gianpiero Kesten Cose Molto Umane di Gianpiero Kesten Gianpiero Kesten - Vois Nathy Peluso Report Nathy Peluso Report Anna Taylor Pasture to Profit Podcast Pasture to Profit Podcast scottstinnett Geek News Central Podcast Geek News Central Podcast Todd Cochrane TED-Ed TED-Ed TED-Ed BBC Gardeners’ World Magazine Podcast BBC Gardeners’ World Magazine Podcast Immediate Media Gut Feelings - by The Crohn's & Colitis Dietitians Gut Feelings - by The Crohn's & Colitis Dietitians The Crohn's & Colitis Dietitians True Weird Stuff True Weird Stuff Now! Media Cyphers Edge Cyphers Edge J.J.Brandis Innovating Cannabis Podcast Innovating Cannabis Podcast The Mary Jane Society Unexplained Inc. Unexplained Inc. Phantom Phil The Holders The Holders Be Afraid Retro Radio: Old Time Radio in the Dark Retro Radio: Old Time Radio in the Dark Darren Marlar What in the world is dyscalculia? What in the world is dyscalculia? Dr. Honora Wall, Ed.D. PBS Space Time PBS Space Time PBS Almanacco del giorno Almanacco del giorno Streammo Weekly Weather Brief Weekly Weather Brief Emily and Kerrin The Automated Daily - Space News Edition The Automated Daily - Space News Edition TrendTeller The Arora #CanPassWillPass Podcast The Arora #CanPassWillPass Podcast Dr Aman Arora Átomos y Bits Átomos y Bits Agencia EFE geister - der philosophie-podcast geister - der philosophie-podcast Christian Eichler Cattle Chat Cattle Chat BCI Cattle Chat Radiolab Radiolab WNYC Studios
Ask the Naked Scientists

Science

Ask the Naked Scientists

Dr Chris Smith

Why did the Lincoln Memorial Reflecting Pool turn green?

June 26, 2026 5:49am 22 min

Why is Europe experiencing a heatwave? What happens if a being from a different dimension enters our dimension? Why are wombats able to produce square-shaped faeces? Can we live without sodium? Is there a scientific expl...

How do cats sustain a purr-fect purr?

June 19, 2026 5:07am 23 min

Why does our hair stand up when we are scared? Does the animal kingdom experience colour differently? How do cats purr without running out of breath? Can certain types of medication cause tinnitus? What benefits does vac...

Are there sounds around us that we can't hear?

June 12, 2026 6:15am 21 min

What's the impact of sodium on our heart health? Are there sounds around us that we can't hear? Why do teeth have nerves and a blood supply? What controls our emotions? Can other primates and mammals have colourblindness...

Why does a slice of toast land butter side down?

June 05, 2026 6:05am 25 min

Do dolphins and whales yawn? Is yawning contagious in animals? What progress has been made on brain chip implants? What is the difference between kidney thrombosis and renal vein thrombosis? Why does a falling slice of t...

How does a headache tablet know where it hurts?

May 29, 2026 1:51am 24 min

Does water boiled in a microwave oven taste different from kettle-heated water? How long does it take the body to absorb a drink of water? Does too much water cause a kidney problem? What are essential fatty acids? Why d...

Why does running water make us want to use the toilet?

May 22, 2026 4:58am 22 min

Why does running water make us want to go to the bathroom? What is IQ, and can you improve it? What is a Pica craving? Why isn't sperm damaged when it's frozen? Is there any evidence that links COVID vaccines to cancer r...

Should we pay attention to the UFO files?

May 15, 2026 5:00am 23 min

Do the newly released UFO files matter? Why do people tend to live longer in the 21st century? Why do women live longer than men on average? What impact does excess rainfall have? Why might you lose phone signal when you...

Can we travel forward and backwards in time?

May 07, 2026 7:01pm 26 min

Is time a physical thing? How do trees know what season it is? What causes different-sized tides? Can cannibalism cause brain disease? Do all watches stop working at the same time? How do we identify different virus case...

How do vultures find their prey?

May 01, 2026 4:38am 23 min

Why are humans so sensitive to the smell of rain? Do statins cause dementia? What is the storage capacity of the human brain? How can I remember all the information I study? Do scientists believe in God? How do vultures ...

Why don't melting ice cubes make my drink overflow?

April 24, 2026 1:17am 21 min

How does polio cause disease? Why does ice added to a drink not make the glass overflow when the ice melts? What's the point of the appendix? Is old poison, past its expiry date, still toxic? What techniques built the py...

Do dogs dream?

April 17, 2026 6:32am 22 min

Do dogs dream? Can someone who was born blind dream? Do animals have souls? Do certain eye colours have more advantages than others in terms of sight? What is blind sight? What are growing pains? Is it unhealthy to sleep...

What caused the craters on the Moon?

April 10, 2026 5:55am 22 min

How does the heat shield protect the Artemis II astronauts on their return to Earth? What caused the craters on the Moon? Can the materials in cooking pots cause poisoning? What is seasickness? Can space missions take pl...

What colour is a mirror?

March 27, 2026 9:44pm 21 min

Why some people can't say their Rs; why is perception of time so context dependent; what's the nutritional value of long life milk; what determines how tall we are; why do some mirrors make you look a strange shape; why ...

Do we all see colours the same way?

March 13, 2026 7:20am 23 min

On this week's show, why dogs don't live as long as humans. Also, why do we feel cold when our skin is warm to the touch? Do we all see colours the same way? Do animals experience embarrassment? If photons head towards t...

Can white skin transplanted to a black person change colour?

March 06, 2026 4:49am 22 min

This week Clarence Ford and Dr Chris discuss NASA's DART mission to defect an asteroid, why we can't tickle ourselves, whether lung capacity affects the heart, if white skin transplanted to a black person changes colour,...

Why do we get a falling sensation as we drift off to sleep?

February 27, 2026 5:19am 19 min

This week, Dr Chris Smith and Sara Jayne Makwala King get to the bottom of IBS, why women living together often synchronise menstrual cycles, why we get a sudden falling sensation when dropping off to sleep sometimes, an...

Is there an evolutionary advantage of golf?

February 20, 2026 12:44am 19 min

In this week's show, how scientists discover Russia's use of frog neurotoxin epibatidine to kill political opponent Alexei Navalny, why some people are more vulnerable to dental problems, why does a full bladder make me ...

What is foot-and-mouth disease?

February 13, 2026 4:03am 24 min

How did life on Earth begin? Why is glass clear when sand is opaque? What is foot-and-mouth disease? Why do some people's accents change when they emigrate? What is trigeminal neuralgia? What is decided before drug trial...

Can the brain recover from alcohol misuse?

February 06, 2026 4:18am 22 min

Do animals enjoy views like we do? Why are some elephants born without tusks? Why do some people pass out on roller coasters? Is there a cure for dizziness? Can the brain recover if you stop drinking alcohol? Why is ther...

What is an induced coma?

January 30, 2026 3:58am 21 min

What is consciousness? What is the Nipah virus? What is an induced coma? Is there an official scale for pain? Can you think yourself better? How can you make plasma? And how do you prevent a dog's pee from turning your l...

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