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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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What does a percentage chance of rain really mean?
What's the evidence that vaccines don't cause autism? Can brain oxygen deprivation lead to memory loss? Do babies bond with their dads as much as with their mums? Do parrots socialise like other animals? What does a percentage chance of rai
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 our most underrated sense. Also, are Bill Gates' fears that AI will erode our intellect well-founded
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 water? What is cholera? Can silver sterilise surfaces and water? Is static electricity down to posit
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 life? Why are biometric fingerprint scanners tricky for older people? And is AI damaging our ability t
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 larger Adam's apples? How can we make sure we eat a balanced diet? What causes floaters in your eyes? Is
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 can we trace our ancient paths? Why do people and animals have different neck sizes? Can you really he
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, and why some birds die when they fly into power cables while others can perch on them with impunit
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 efficient is the human body? Why can't periods be controlled like going to the bathroom? Do animals have per
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 making us feel less tired? Are high levels of low-density lipoprotein a concern? What is mirror life,
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 it becomes problematic? How does perfect pitch work? And why does our hearing change with age? Does
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 the shower? How does toothpaste fight acidity? Can you train your brain to notice different frequenc
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 between hot and cold water being poured? What causes those cold shivers down your spine? Is a spiri
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 at high speeds? Should humans eat meat? Why do people with bone marrow cancer often show no symptoms?
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 different parts of their bodies? Why does our sight help with our balance? Are sons ever taller than their
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 10 years locked up in a building? Why might an elderly dog or cat's behaviour change? Does microwav
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 Sun make ash? Will removing your gallbladder affect your cholesterol? Is there a symbiotic relation
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 affect dreams? Can we predict penalty shootout winners? What do penalty statistics show about power vs pl
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 bad are processed foods for us? And how can a woman give birth to twins that have different fathers? D
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 it safe to eat food you have dropped on the floor? Why do certain foods make us feel nauseous? And
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 produce square-shaped faeces? Can we live without sodium? Is there a scientific explanation for xenophob
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 of breath? Can certain types of medication cause tinnitus? What benefits does vaccination afford us?
Are there sounds around us that we can't hear?
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 can't certain
Why does a slice of toast land butter side down?
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 toast land butter sid
How does a headache tablet know where it hurts?
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 do farts linger longe
Why does running water make us want to use the toilet?
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 rates? Is there a tes
Should we pay attention to the UFO files?
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 turn on a microwave
Can we travel forward and backwards in time?
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 cases? How is hantavirus
How do vultures find their prey?
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 find their prey? How
Why don't melting ice cubes make my drink overflow?
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 pyramids? How do we tr
Do dogs dream?
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 with closed windows
