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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

February 27 · 19 min
Why do we get a falling sensation as we drift off to sleep?
Plus, the science behind a horse's whinny, and what would happen if the Earth suddenly stopped spinning?
February 20 · 19 min
Is there an evolutionary advantage of golf?
Plus frog toxins to dispatch dissidents, and what links heart disease with dental decay?
February 13 · 24 min
What is foot-and-mouth disease?
Plus, the origins of life on Earth, why glass is clear, and why accents change...
February 6 · 22 min
Can the brain recover from alcohol misuse?
Plus, we explore dizziness, roller coasters, and whether animals enjoy views...
January 30 · 21 min
What is an induced coma?
Plus, we tackle questions on the Nipah virus, pain, and plasma...
January 23 · 21 min
Which part of the brain is responsible for decisions?
Plus, how to heal a slipped disc, and what causes a stutter...
January 23 · 21 min
Which part of the brain is responsible for decisions?
Plus, how to heal a slipped disk, and what causes a stutter...
January 23 · 21 min
Which part of the brain is responsible for decisions?
Plus, how to heal a slipped disk, and what causes a stutter...
January 18 · 20 min
How do cell phones see the Northern Lights when we can't?
Plus, the "funny bone" sensation, and the movement of planets...
January 9 · 23 min
Do flames have a shadow?
Plus, hungry AI, whether talent is inherited, and why mosquitoes buzz on arrival...
Dec 19, 2025 · 20 min
How HPV vaccine and circumcision can stop cervical cancer
Plus, does a USB filled with data weigh more, and how does the placebo effect work?
Dec 12, 2025 · 15 min
Fizzy drinks after a long run?
Plus, whether working from home weakens our immunity...
Dec 5, 2025 · 21 min
Can our eyes pop out when we sneeze?
Plus, whether violence is inherent in a society...
Nov 28, 2025 · 17 min
Why do dogs make a beeline for underwear and smelly socks?
Plus, the colours that absorb heat, and why we have lisps and accents.
Nov 21, 2025 · 17 min
Are zebras black with white stripes?
Plus the causes of hair loss, eczema and itch, definition of a species, and infections linked to asthma...
Nov 14, 2025 · 21 min
Will we find a cure for diabetes?
What causes 'the bends'?
Nov 7, 2025 · 21 min
Is an elephant really related to a hyrax?
And what are blood groups, how did sex evolve, and what's a selfish gene?
Oct 31, 2025 · 25 min
Are some people missing an arm muscle?
Also, can we protect our food from microplastics? And should you get a rabies check after every dog bite?
Oct 24, 2025 · 21 min
Are satellites safe from terrorist attacks?
Also, do headphones contribute to tinnitus? And what is the best way to regulate cortisol levels?
Oct 17, 2025 · 22 min
For a short time, I forgot who I was. What happened?
Plus, what is the ATLAS comet and where did it come from...