Ask the Naked Scientists
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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 Scientists!
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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...
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...
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?...
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 proc...
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 t...
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...
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?...
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 cont...
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 kidn...
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 mu...
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...
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 impa...
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...
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 t...
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 p...
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 caused the craters on the Moon?
How does the heat shield protect the Artemis II astronauts on their return to Earth? What caused the craters on the Moon? Can the materials in cooking...
What colour is a mirror?
Why some people can't say their Rs; why is perception of time so context dependent; what's the nutritional value of long life milk; what determines ho...
Do we all see colours the same way?
On this week's show, why dogs don't live as long as humans. Also, why do we feel cold when our skin is warm to the touch? Do we all see colours the sa...
Can white skin transplanted to a black person change colour?
This week Clarence Ford and Dr Chris discuss NASA's DART mission to defect an asteroid, why we can't tickle ourselves, whether lung capacity affects t...
Why do we get a falling sensation as we drift off to sleep?
This week, Dr Chris Smith and Sara Jayne Makwala King get to the bottom of IBS, why women living together often synchronise menstrual cycles, why we g...
Is there an evolutionary advantage of golf?
In this week's show, how scientists discover Russia's use of frog neurotoxin epibatidine to kill political opponent Alexei Navalny, why some people ar...
What is foot-and-mouth disease?
How did life on Earth begin? Why is glass clear when sand is opaque? What is foot-and-mouth disease? Why do some people's accents change when they emi...
Can the brain recover from alcohol misuse?
Do animals enjoy views like we do? Why are some elephants born without tusks? Why do some people pass out on roller coasters? Is there a cure for dizz...
What is an induced coma?
What is consciousness? What is the Nipah virus? What is an induced coma? Is there an official scale for pain? Can you think yourself better? How can y...
Which part of the brain is responsible for decisions?
Why does a glass of water help settle a sore throat? What are the best ways to help heal a slipped disc? Which part of the brain helps us make decisio...
Which part of the brain is responsible for decisions?
Why does a glass of water help settle a sore throat? What are the best ways to help heal a slipped disk? Which part of the brain helps us make decisio...
Which part of the brain is responsible for decisions?
Why does a glass of water help settle a sore throat? What are the best ways to help heal a slipped disk? Which part of the brain helps us make decisio...
How do cell phones see the Northern Lights when we can't?
Why does knocking your elbow unleash a distinctive "funny bone" jolt? Are we born with a sense of thirst? What are we seeing when we see things glow u...
Do flames have a shadow?
Should we pull the plug on AI? Is talent inherited? Do other mammals have prostate glands? How closely have we studied the bones of fish? If nothing s...
How HPV vaccine and circumcision can stop cervical cancer
Does a USB stick, or a mobile phone, weigh more once it's filled with data? What's the placebo effect, and how does it work? How does the human papill...
Fizzy drinks after a long run?
Today, Chris Smith tackles a whole host of health-related questions. We explore the impact of a meat-based diet, whether it's a good idea to drink fiz...
Can our eyes pop out when we sneeze?
This week, Chris Smith and Clarence Ford tackle the big science questions of the week, including how to perform a circumcision safely; can our eyes po...
Why do dogs make a beeline for underwear and smelly socks?
Why do dogs make a beeline for underwear and smelly socks? Also, do we really get taller at night, why do some colours reflect and others absorb light...
Are zebras black with white stripes?
Are any people particularly susceptible to alopecia-linked hair loss? Also, what causes eczema and why does it keep recurring, why are the progeny of...
Will we find a cure for diabetes?
In Ask! the Naked Scientists, Dr Chris Smith answers listeners' medical questions. This time, what causes a black eye? How can we alleviate the pain f...
Is an elephant really related to a hyrax?
Is an elephant really a close relative of a hyrax? What are blood groups? Is there really such a thing as a selfish gene? How did males and females ev...
Are some people missing an arm muscle?
Are some people missing arm muscles? Are there other muscles that we're losing? Can bats and moles actually see? Can the side effects of prostate surg...
Are satellites safe from terrorist attacks?
What happens to helium balloons that float away? Are satellites safe from terrorist attacks? Why does the truth hurt? Why does some poo float after fl...
For a short time, I forgot who I was. What happened?
Why does La Nina cause more rainfall in South Africa? How can we keep our skin moist without buying products? Is it possible to be averse to iron in y...