Dr Chris Smith

Ask the Naked Scientists

Science EN ↓ 796 episodes

How many organs could you donate and remain alive? How many planet Earths could fit inside the Sun? How high is a giraffe's blood pressure? Why is the sea blue? To find out, Ask The Naked Scientists!

Author

Dr Chris Smith

Category

Science

Podcast website

www.thenakedscientists.com

Latest episode

Jul 10, 2026

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Episodes

Floating Clouds and Shining Stars 15.05.2008

Why do clouds float in the sky? If Stars are so bright why is our sky dark at night? Does a ducks quack echo? We tackle these questions this week on Ask the Naked Scientists, as well as find out why the sky is blue, discover if there really could be UFO's out there, investigate why we produce tears in our eyes and explore why we can't start the morning without a yawn! Like this podcast? Please hel...

Sinking Sand and Sucking Wounds 08.05.2008

Can we make a quick escape from quicksand? Is it really good for us to lick our wounds? Why do we have different accents? We tackle these questions on this Week's Ask the Naked Scientists, as well as find out why having the flu gives us the shivers, whether its possible to eat you way to having a baby boy, and if fizzy drinks make for a fun flight! Like this podcast? Please help us by supporting t...

Drinking Rain and Evolving Apes 01.05.2008

Can we drink rain water? Why do dogs prefer drinking out of the toilet? Why haven't all apes become humans? We tackle these questions this week on Ask the Naked Scientists, as well find out how big the earth would look from the moon, why it gets so cold just before dawn, why some plants have red leaves and why our body fails to heal scars. Like this podcast? Please help us by supporting the Naked...

The science of cancer and Teleportation. 24.04.2008

What is cancer and how is it cured? Will humans ever be able to teleport? How are clouds made? We answer these questions this week on Ask the Naked Scientists. We also find out how it is possible for the universe to be both finite and expanding, how urea could be used to run our cars and buses and how laser eye surgery makes your vision better. Like this podcast? Please help us by supporting the N...

Digital Eyes and the Power of Chemicals. 17.04.2008

Can a digital camera see as well as the human eye? Why do some chemicals stain more than others? Does our taste fade with age? We tackle these questions this week on Ask the Naked Scientists, as well as finding out if cars can run on water, if motion-sensitive lights could light our way out of darkness and discovering if our old shower heads could be spraying more than just water. Like this podcas...

Custard Bombs and the Future of the Human Race 10.04.2008

Can custard cause catastrophic explosions? How will the human race evolve? Can we use water as a fuel? We tackle all these on this week's Ask the Naked Scientists, as well as discovering why the hair on our bodies grows differently to the hair on our heads, asking if the earth will ever run out of oxygen and finding out if a 'fat strip' could solve our weight problems... Like this podcast? Please...

Mysteries of our Universe and Overcoming our Fears! 03.04.2008

This week on Ask the Naked Scientists we look into the mystery of dark energy, reveal the cause of digital delay in radios and find out how to overcome our fear of change! We also discuss the alignment of our planets, find out if body parts can set airport alarms off and meet a super duck! Like this podcast? Please help us by supporting the Naked Scientists Like this podcast? Please help us by sup...

Perfect Bubbles, Sniffing Danger and Super Animals. 28.03.2008

This week on Ask the Naked Scientists we find out the method for a perfect bubble bath, analyse across all species to find the ultimate fighting champion and find out if humans can sniff out danger. We also look into dietary treatments to aid macular degeneration, look into evolutionary reasons for sensing the presence of ghosts, and investigate treatments to cure the awful pain associated with a...

Sharing Hearts and the Science of Speed 21.03.2008

This week on Ask the Naked Scientists we find out the effects of high speed collisions, find out if our bodies are older than the universe itself and reveal if hearts can be swapped between sexes. We also find out the cause of acid reflux, investigate what happens when you drop cats out of windows and see if it's possible to live on baked beans. Like this podcast? Please help us by supporting the...

The Science of Sat-Navs and Magic of microwaves! 14.03.2008

On this weeks Ask the Naked Scientists we investigate the science of sat-navs - how do they work? And how do they know where our speed cameras are? We find out why it's so hard to get a signal on our mobile phones when we're underground and whether the light from stars changes as it reaches our eyes. We also find out why insects aren't stung by stinging nettles, reveal if water really does flush t...

Bursting Bubbles, Counting Calories and Falling to Earth! 07.03.2008

On this weeks Ask the Naked Scientists we find out how to live a healthy lifestyle. We count calories to see just how many we burn during exercise, we work out how to lose weight the healthy way and we discuss the difference between calories and fat. We also discover why coloured bubble bath produces white bubbles, whether removing salt from the ocean could reduce our chances of flooding and wheth...

Frosty Roofs, Rocks from Space and UK Quakes 29.02.2008

In this week's Ask the Naked Scientists Dave sates your thirst for knowledge with a look at whether frozen water is safe to drink, divides fog from mist, shakes up the world of seismology with a look at how earthquakes occur in countries like the UK, works out why some roofs remain resolutely frost-free in winter and explains how rocks from Mars turn up on Earth. Like this podcast? Please help us...

Breaking bones, Aching joints and the Placebo effect 22.02.2008

This week on Ask the Naked Scientists we find out how to break your bones for your own good, the truth behind the placebo effect and how your body knows when to be sensitive. Also, why some people gain weight when they have arthritis, restless legs and the importance of prostate check-ups. All that and more on this weeks Ask the Naked Scientists. Like this podcast? Please help us by supporting the...

DNA, Radio Waves and Watches 15.02.2008

This week on Ask the Naked Scientists we find out why a slipped disc can't slip out, why you forget your dreams and why digital radio is behind the times - by about 4 seconds! Also, why present day physics forbids travel to the past, and how you can carry someone elses DNA without being pregnant. We tackle these questions and more on this weeks podcast. Like this podcast? Please help us by support...

Crashing satellites, Squeaking hearts and Glowing stars. 08.02.2008

This week on Ask the Naked Scientists we find out our years of sending things out into space will come back to haunt us, how some hearts produce a squeaking sound, and why when you look into the night sky you could see bright coloured stars shining down on you. We'll also be finding out just how many starts there are in our universe, why some of us get heart murmurs, how far our universe goes and...

Tearful eyes, Musical minds and Glowing seas! 01.02.2008

This week on Ask the Naked Scientists we find out if it's possible to cry underwater, why ferocious winds can bring us to tears, how its possible to make the sea light up and why it's so difficult to get annoying songs out of your head! We also find out about the creation and effects of gravity, why some of us get constant ringing in our ears, and if there are plants living deep inside the earth....

Coloured Bruises, Colliding Bullets and Collapsing Bridges 25.01.2008

This week on Ask the Naked Scientists we find out why a beating turns us blue, what would happen in a fight between bullets and how hanging from the air is considered safe in the form of a suspension bridge. We also find out about an environmentally-friendly method of cremation, whether it's possible for humans to survive on mars and what the term horse-power actually means. All that and even more...

Stings, Ripening and Asbestosis. 18.01.2008

On this weeks Ask the Naked Scientists we discuss why stinging nettles cause so much pain, why you should keep your bananas apart, and tell you about the effects and symptoms of asbestosis. We also find out which of our favourite foods were discovered in the Americas, if lightning occurs on other planets, why the new digital radios use up more electricity, and how a greenhouse works. All that and...

Population, Fuel and Sonic Booms! 11.01.2008

This week on Ask the Naked Scientists we answer your questions on population, sonic booms and fuel. We'll be looking into the genes behind your eye colour, why planes are so noise when they go supersonic and how exactly we get our beloved petrol and diesel from its original source-crude oil. We'll also be investigating the best time to walk your dog, why the South Pole is colder than the North Pol...

Diet, The Brain and Meteors 04.01.2008

This week on Ask the Naked Scientists we answer your questions on diet, the brain and meteors. We'll be looking into what foods can help reduce your cholesterol, if it's possible for our brains to shrink and how meteor showers work. We'll also be talking about dementia, smoking oils, how mountains are like sponges and how to recover if the fast-spreading norovirus gets into your system. All that a...

Speed, Crashes and Oil Spills 02.01.2008

Chris, Dave and Sue Marchant tackle your questions on the speed of light, head on collisions, heartburn and much more... Like this podcast? Please help us by supporting the Naked Scientists Like this podcast? Please help us by supporting the Naked Scientists

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