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Ask the Naked Scientists

Dr Chris Smith

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!

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799 episodes
Updated Friday

Episodes799

Oct 10, 2025 · 20 min
Are women really more nurturing?
The surprising science behind nature, nurture, and gender roles...
Oct 3, 2025 · 22 min
How is it possible to have 2 different eye colours?
What happens if I shoot a bullet directly up?
Sep 26, 2025 · 19 min
Can spicy food make your ear itch?
What happens in our brain when we get a 'gut' feeling?
Sep 19, 2025 · 21 min
Why do my wife's eyes light up when she sees me?
Why is a microwave door dark?
Sep 12, 2025 · 22 min
Why do we dislike the sound of our own voices?
Why do athletes run anti-clockwise round a track?
Sep 5, 2025 · 13 min
How can you control your phobias?
Also, is it dangerous to have floaters in your eye? And can you power a lamp with your mouth?
Aug 29, 2025 · 21 min
Why does sex make you sleepy?
Plus, why does scratching an itch feel so good? And why do we have different blood groups?
Aug 22, 2025 · 21 min
Are there fragments of insects in chocolate?
What causes tinnitus?
Aug 15, 2025 · 21 min
Why is it so important to finish a course of antibiotics?
Will we be able to power the AI boom?
Aug 1, 2025 · 17 min
Do animals feel fear?
Also, do supplements boost your immune systems? And can using phones change the shape of your body?
Jul 25, 2025 · 21 min
Will our universe keep on growing?
Why don't some popcorn kernels pop?
Jul 18, 2025 · 18 min
Why do adults take longer to wake up than babies?
Do statins have side effects?
Jul 11, 2025 · 19 min
Why do medicines get discontinued?
Why is bird flu of particular concern at the moment?
Jul 4, 2025 · 21 min
Is leukaemia genetic?
Also, what is Oumuamua? And why are early health screenings so important?
Jun 27, 2025 · 18 min
Why does cold water take your breath away?
Also, is there a psychological aspect to cramp? And are there any new asthma treatments in the pipeline?
Jun 20, 2025 · 21 min
Why can't you tickle yourself?
Is it the element of surprise?
Jun 16, 2025 · 3 min
Naked Scientists SOS
Devastating news, and we need your help...
Jun 13, 2025 · 22 min
Why does bleach claim to kill 99.9% of bacteria?
What's the difference between white and brown sugar?
Jun 6, 2025 · 18 min
Would a compass work on the Moon?
Do hard drives get heavier if you fill them with data?
May 30, 2025 · 20 min
Can a person be cloned?
Is Voyager 1 still in the Solar System?