Why the nose knows: how important is smell?
Introducing "Smellyvision": this week, we talk about new tech that transmits smells alongside sounds and pictures, and ask whether smell is...
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Science & Medicine
Ask the Naked Scientists
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 Sc...
Episodes
20 of 812 episodes
Is static electricity down to positive or negative charges?
Why has everyone got a cold at the moment? How does an elemental diet treat inflammatory bowel disease? How does chlorine clean up drinking...
Is AI damaging our ability to think for ourselves?
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 li...
Why do we get floaters in our eyes?
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 larg...
Do giraffes have the same number of neck bones as humans?
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 ca...
Can curly hair straighten with age?
Dr Chris Smith and Clarence Ford discuss the world's hottest creature, why antimatter matters, whether weight-loss pills can cause blindness...
Where did water come from, and why doesn't it go off?
Can sensors help keep our roads in good shape? If the Earth is round, why aren't the people at the bottom standing upside down? How efficien...
Is AI at risk of going rogue?
Should we take AI warnings seriously? Do fingernails and hair grow more quickly after they are cut? How does caffeine trick the brain into m...
Can technology influence the weather?
How might technology influence or manipulate the weather? Can aircraft affect the weather? Are we getting better at detecting cancer before...
How does the Moon affect the tides?
Why might the shingles vaccine help prevent heart attacks? Does an eclipse affect how we sleep? Why do farts seem to stick around longer in...
Why do eyebrows grow so slowly?
Have you ever wondered why eyebrows grow so slowly, or when you should brush your teeth in the morning? Can you tell the difference in sound...
What is love?
What is the science behind love? What scares a honey badger? Are there mammals that feel no fear? How do car pistons move so smoothly even a...
What is the life of an electric vehicle battery?
How good are electric vehicle batteries? Why are EV fires so dangerous? What is acute flaccid myelitis? Why do people feel anxiety in differ...
What's the science behind itching and scratching?
Are there technologies to remove smoke taint in wine affected by recent wildfires? What's the science behind itching? Can a tortoise survive...
Why a helium balloon flies backwards when you hit the brakes
How can algae microbots deliver drugs for bladder cancer? Why does a helium balloon fly backwards when you hit the brakes in a car? Does the...
Why do wombats have cube-shaped poo?
Dr Chris Smith and Clarence Ford return to answer your questions. Why do wombats produce cube-shaped droppings? Does sleeping position affec...
What happens before we have a thought?
What is the impact of being a child in a home where a sibling has a chronic medical condition? What happens before we have a thought? How ba...
Is it safe to eat dropped food?
Do our digital lives leave us cognitively exhausted? Should we see a doctor when we are overly tired? How bad are processed foods for us? Is...
Why did the Lincoln Memorial Reflecting Pool turn green?
Why is Europe experiencing a heatwave? What happens if a being from a different dimension enters our dimension? Why are wombats able to prod...
How do cats sustain a purr-fect purr?
Why does our hair stand up when we are scared? Does the animal kingdom experience colour differently? How do cats purr without running out o...