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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

00:19:49

Can spicy food make your ear itch?

Ask the Naked Scientists ·

2025/09/26

In today's episode of Ask! Dr Chris answers: why do some people attract more mosquitoes than others? Is there a link between sweating and sour tastes? What causes nasal polyps to form in the nose? Is Covid still around? Like this podcast? Please help us by supporting the Naked Scientists

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00:21:10

Why do my wife's eyes light up when she sees me?

Ask the Naked Scientists ·

2025/09/19

In this episode of Ask, if the universe is expanding, what's it expanding into? What's the relationship between descended testes and the chance of having children? Why does more urine come out when I stand rather than sit on the loo? How do surgeons join the cut ends of a colon together? At what age is it suitable to start taking creatine supplements? Why do I wake up in the middle of the night? Like this podcast? Please help us by supporting the Naked Scientists

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00:22:38

Why do we dislike the sound of our own voices?

Ask the Naked Scientists ·

2025/09/12

On Ask! the Naked Scientist this week: What led to the 'leopard spots' found on Mars? What is the purpose of finger and toe nails? How do bone conduction headphones work? Why do non-magnetic metals sometimes interact with magnetic objects? What role did our teeth play in our evolution? What's the cause of my unintended weight loss? Could astronauts create an environment for life on Mars? What's wrong with a pear shape? Like this podcast? Please help us by supporting the Naked Scientists

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00:13:53

How can you control your phobias?

Ask the Naked Scientists ·

2025/09/05

Is it dangerous to have floaters in your eye? Can you power a lamp with your mouth? Are nations in the global north more innovative than nations in the global south? How can you control your phobias? How do leap years come about? 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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00:21:59

Why does sex make you sleepy?

Ask the Naked Scientists ·

2025/08/29

Is the flipping of Earth's magnetic field a concern? Why might half-filled ice cube trays freeze faster? Why does sex make you sleepy? Why might you get an 'electric shock' from moving your head? Is nicotine addictive? Why does scratching an itch feel so good? Why do we have different blood groups? What are statins? Could we ever see the dark side of the moon? 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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00:21:30

Are there fragments of insects in chocolate?

Ask the Naked Scientists ·

2025/08/22

Dr Chris answers listener questions including: do men and women have an equal chance of getting sports injuries? What health benefits can a sugar free diet bring? Why does my sock shift around my foot at night? How should we navigate testosterone levels in women's sport? How can we treat hypertrophic cardiomyopathy? Is 'biowater' a marketing gimmick? Like this podcast? Please help us by supporting the Naked Scientists

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00:21:55

Why is it so important to finish a course of...

Ask the Naked Scientists ·

2025/08/15

Dr Chris is back to answer listener questions. Why do cat's eyes reflect bright colours? What are the short, high pitched ringing noises that can sometimes be heard? What causes Bell's palsy? Will botox help keep my eyelid up? Like this podcast? Please help us by supporting the Naked Scientists

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00:17:30

Do animals feel fear?

Ask the Naked Scientists ·

2025/08/01

Do animals feel fear the same way that we do? Do diet supplements boost your immune systems? Can using phones and headphones change the shape of your body? Why don't birds get electrocuted on pylons? Is the northern hemisphere more 'innovative' than the south? 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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00:21:55

Will our universe keep on growing?

Ask the Naked Scientists ·

2025/07/25

Dr Chris takes on more listener questions. Including: is Chinese medicine separate from Western medicine? Why do we sometimes cry in response to feelings of sadness and joy? Why do I have a blotch in my vision after looking directly at a light source? Why do kids cry when they get injured, but adults less so? What happens if I scratch a mosquito bite? What is the relationship between science and religion. Like this podcast? Please help us by supporting the Naked Scientists

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00:18:31

Why do adults take longer to wake up than babies?

Ask the Naked Scientists ·

2025/07/18

The questions keep coming for Dr Chris. This week they include: have scientists got their hands on the oldest ice ever studied? Does putting the air conditioning on too high or low make you ill? What factors contribute to chronic mental illness? How do you reduce puffiness under the eyes? Can cold weather make healed operation sites sore again? Like this podcast? Please help us by supporting the Naked Scientists

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00:19:20

Why do medicines get discontinued?

Ask the Naked Scientists ·

2025/07/11

In this episode of Ask! Dr Chris is asked: what is ivermectin? Are sodium ion batteries a rival to lithium? Is the Earth spinning slightly faster? Why do we warn against using phones around petrol stations? Like this podcast? Please help us by supporting the Naked Scientists

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00:21:21

Is leukaemia genetic?

Ask the Naked Scientists ·

2025/07/04

Do we have another comet visiting from outside the solar system? What is Oumuamua? Is the Ring of Fire amping up in activity? Is leukaemia genetic? Does exposure to certain chemicals increase your risk of cancer? Why are early health screenings so important? How do you measure the risk of certain health treatments? 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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00:18:13

Why does cold water take your breath away?

Ask the Naked Scientists ·

2025/06/27

Why does cold water take your breath away? And why is it cold when you leave the cold water? What smells does an ant produce? Is there a psychological aspect to cramp? Are there any new asthma treatments in the pipeline? Are people getting vaccinated against cancer? 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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00:21:26

Why can't you tickle yourself?

Ask the Naked Scientists ·

2025/06/20

Dr Chris answers listener questions including: what is the Higgs boson? How should I change my lifestyle to prevent diabetes? Why can you pass on yawns? Why does nerve pain/sciatica get worse when we're tired? Like this podcast? Please help us by supporting the Naked Scientists

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00:22:05

Why does bleach claim to kill 99.9% of bacteria?

Ask the Naked Scientists ·

2025/06/13

Chris Smith answers listener science questions. They include, is it worth getting the flu vaccine? Is COVID still around? Is it possible to manufacture a car that runs on air? Why does the hair on our head keep growing, but not on our arms and legs? Is it good to finish a shower with a cold burst? Why are marathon runners thin? Like this podcast? Please help us by supporting the Naked Scientists

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00:18:31

Would a compass work on the Moon?

Ask the Naked Scientists ·

2025/06/06

Dr Chris with more answers to listener science questions: why was the discovery of the Higgs boson worthy of a Nobel Prize? Are birth rates falling around the world? How do we prevent HPV? Like this podcast? Please help us by supporting the Naked Scientists

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00:20:25

Can a person be cloned?

Ask the Naked Scientists ·

2025/05/30

Dr Chris answers listener questions including, how effective is the flu shot? Is there anything doctors don't want their patients to know? Do our eyes stay the same size through our lives? Could working in a dusty cement environment lead to health problems? When someone has dementia, how long will they live? Will doctors prescribe remedies purely to induce a placebo effect? Like this podcast? Please help us by supporting the Naked Scientists

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00:21:17

When did life start evolving sex?

Ask the Naked Scientists ·

2025/05/23

Dr Chris answers questions on CapeTalk, including: how often should we wash our clothes? Is there a relationship between the Earth's gravity and magnetic field? Are the magnetic poles moving? Is there a distinction between North and South? Why don't adult teeth grow back like children's teeth? Can we reconcile science and spirituality? Why does my sister's car attract insects? What is the quickest way to lose weight in a short period of time? Is it true that our eyeballs stay the same size

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00:23:10

What determines the speed of your internet?

Ask the Naked Scientists ·

2025/05/16

Why is February only 28 days long? Is there a link between red meat, testosterone, and male violence? Is there a 'best' LLM? Can macular degeneration cause you to go blind? What do we know about the big bang? What determines the speed of your internet? Does an autoimmune system attack random parts of the body? 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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00:19:15

Should dogs sleep inside the house?

Ask the Naked Scientists ·

2025/05/09

Ask! The Naked Scientist covers questions including, are we humans the universe's consciousness? Is the presence of dimethyl sulphide on an exoplanet a sure sign of life? Have scientists been able to establish where the Garden of Eden is? If I decide not to breastfeed, what happens to the milk I produce? Can I benefit from the nutrients? Like this podcast? Please help us by supporting the Naked Scientists

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