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PODCAST

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!

science life sciences

All Episodes

00:23:20

Are gravity and magnetism related?

Ask the Naked Scientists ·

2025/05/02

In this week's Ask!, Dr Chris explains what we know about deja vu (have we had this one before?) Also, what might have been behind the major power outages in Spain, and what exactly was the Carrington Event? What causes the differences between summer and winter here on Earth? Like this podcast? Please help us by supporting the Naked Scientists

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00:23:07

Does the shingles vaccine reduce risk of dementia?

Ask the Naked Scientists ·

2025/04/25

Are there signs of life on another planet? Could a shingles vaccine prevent dementia? Do artificial sweeteners increase our appetite? How is obesity measured? Could there ever be a dementia vaccine? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists

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00:17:08

Are girls better at maths than boys?

Ask the Naked Scientists ·

2025/04/18

In Ask! the Naked Scientist, Dr Chris answers medical enquiries such as: why a pacemaker may cause some discomfort. Why might you get a migraine if you oversleep? And, is pain in the abdomen a sign of kidney failure? Like this podcast? Please help us by supporting the Naked Scientists

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00:21:07

Are seed oils unhealthy?

Ask the Naked Scientists ·

2025/04/11

In this week's Ask the Naked Scientist, Chris Smith tells us if we are seeing an increase in cancer numbers. Also, what are the underlying causes of colon cancer, and what treatments are available? Does alcohol aid sleep or disrupt it? Are seed oils unhealthy? Are mosquitos more likely to come for you when you wear a certain deodorant? Is paraffin carcinogenic? Like this podcast? Please help us by supporting the Naked Scientists

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00:20:46

Is my microwave disrupting my Wi-Fi?

Ask the Naked Scientists ·

2025/04/04

In this episode of Ask the Naked Scientist: does miso ferment differently in space? How can I improve my memory? Could receiving hepatitis A, tetanus, and typhoid vaccinations, in combination, cause chronic fatigue? Why does food go bad, and are food packet instructions accurate? What is brain plasticity, and how do we train it? What is mindfulness? Is my diabetes causing a strange smell in my urine? Like this podcast? Please help us by supporting the Naked Scientists

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00:20:27

Does food taste different on an aeroplane?

Ask the Naked Scientists ·

2025/03/28

Why do we have different blood groups? What drives the libido? Do you get drunk faster on an aeroplane? How long does an artificial heart valve last? Does food taste different on an aeroplane? Should you take multivitamins? Is there an actual physical end to space? Are there any benefits to copper or brass bangles? Do older people sleep less than younger people? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists

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00:21:59

Can aspirin help prevent cancer?

Ask the Naked Scientists ·

2025/03/21

In this episode of Ask! Dr Chris answers questions including: what are the minerals in mineral water? Is it safe to drink water from plastic bottles? Is glass safe to drink from? How do people perform sword swallowing? What are biodegradable plastics made of? What is metformin, and is it effective? Like this podcast? Please help us by supporting the Naked Scientists

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00:18:27

Do edibles hit you harder than smoking a joint?

Ask the Naked Scientists ·

2025/03/14

On Ask! the Naked Scientist, Can you keep sparkling water fizzy for longer? Are magnesium tablets good for us? Why do we crave certain foods? How do breathalysers work? Like this podcast? Please help us by supporting the Naked Scientists

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00:18:10

Can one black hole swallow another?

Ask the Naked Scientists ·

2025/03/07

Is everywhere at the centre of the universe? How long do sweeteners stay in the digestive system, and what are the best alternatives? Can one black hole swallow another? Does Vitamin C help you fight flu? Why is science so hard to reproduce? Which animal only lives for one day? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists

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00:15:10

Why is a dog's nose always wet?

Ask the Naked Scientists ·

2025/03/03

Dr Chris answers science questions from listeners to TalkRadio 702, including; How does one improve short term memory, especially following a brain injury? Can retinal microchip implants cure blindess? What are the health impacts of artificial sweeteners? Like this podcast? Please help us by supporting the Naked Scientists

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00:21:29

Is AI polluting medical literature?

Ask the Naked Scientists ·

2025/02/21

Dr Chris answers the usual spectrum of science questions from listeners to CapeTalk, including; are sweeteners bad for our cardiovascular health? If a mother has hypoglycemia while pregnant, what happens to the baby? Why did I have cravings during my wife's pregnancy? How does science track dangerous asteroids headed for Earth? Like this podcast? Please help us by supporting the Naked Scientists

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00:17:30

Could a falling bullet injure you?

Ask the Naked Scientists ·

2025/02/14

Do atoms carry memory of information? What happens when dopamine circuits are interrupted? Why might you hiccup when you shave? Why do both kidneys fail when they're separate? Could a falling bullet injure you? Is it important to be de-wormed? Dr Chris Smith and Relebogile Mabotja have all the answers... Like this podcast? Please help us by supporting the Naked Scientists

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00:22:18

Why do dogs age faster than humans?

Ask the Naked Scientists ·

2025/02/07

In this episode of Ask! Dr Chris tells us what causes humiditiy in the air. Why are carbonated drinks bad for your teeth? Does the Naked Scientist know more than AI? Why does hair on our heads grow faster than on other parts of our bodies? Does Earth's magnetic field affect satellite transmissions? Like this podcast? Please help us by supporting the Naked Scientists

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00:23:43

Why are humans the only species with advanced...

Ask the Naked Scientists ·

2025/01/31

Dr Chris answers more listener questions, including: How do sunflowers follow the sun? How does the body determine when you're passing wind or something more solid? Why are mosquitos attracted to some people more than others? Why are some people more intelligent than others? Why are humans the only species with advanced intelligence? How intelligent is an octopus? Like this podcast? Please help us by supporting the Naked Scientists

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00:18:21

How do plants know which way is up?

Ask the Naked Scientists ·

2025/01/24

How can you use sticks to calculate the circumference of the Earth? Can exfoliators remove your fingerprints? How do plants know which way is up? What dictates the pattern of a cat's stripes? What are hiccups? Can mosquitoes see you? Dr Chris Smith and Dan Corder have all the answers... Like this podcast? Please help us by supporting the Naked Scientists

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00:17:54

What causes ulcers?

Ask the Naked Scientists ·

2025/01/17

Why do ants drown themselves? Could we power cars with electrolytes? What causes ulcers? Do metal wrist rings actually reduce pain? Should you take probiotics on an ongoing basis? What are duodenal ulcers? Can brain tumours cause diabetes? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists

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00:22:37

How do you find black holes?

Ask the Naked Scientists ·

2025/01/10

Should you try to break bad habits? How do you stop a 'wandering' itch? Does climate change affect rainfall? Will you be tired if you dream of being awake? How do you get skin tags, and should you remove them? Why can some birds mimic humans, and some cannot? Why do you have nightmares during sleep apnea? Do offshore wind farms impact marine life? Who don't you look exactly like your relatives? How can you find a black hole if it doesn't emit light? Dr Chris Smith and Clarence Ford have all the

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00:23:34

Why should you cook at different temperatures in fan...

Ask the Naked Scientists ·

2024/12/20

Dr Chris takes on the final batch of questions of 2024 on CapeTalk. Why does sound cause me pain? What's the difference between white and brown vinegar? Does radioactivity harm inorganic matter? Is there a cure for anosmia (inability to smell)?What's outside our universe? Do we pass out on rollercoasters? How can we recognise our own baby's cry so well? Like this podcast? Please help us by supporting the Naked Scientists

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00:18:14

What colour should I paint my garage roof?

Ask the Naked Scientists ·

2024/12/06

Chris Smith answers CapeTalk listeners' questions. Including, do wind turbines affect the temperature of the ground? What is the cause of protein build up in my eye? Can we predict how much we might shrink as we age? And does microwaving food affect its nutritional content? Like this podcast? Please help us by supporting the Naked Scientists

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00:21:23

Why does toothpaste contain fluoride?

Ask the Naked Scientists ·

2024/11/29

Dr Chris Smith takes on listener questions on South Africa's CapeTalk. Why is there a delay between live TV and radio? Do wind turbines warm the air at ground level? Do we need to decommission the ISS? What causes genital warts? Like this podcast? Please help us by supporting the Naked Scientists

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