Episodes

  • Why don't our lungs fill up with dust?

    Why don't our lungs fill up with dust?
    Jun 7 2024
    Are skin tags an indication of diabetes? Why don't cattle flee from fire? Do apples stimulate your appetite? Why are some cats great at hunting, and others not? Why doesn't dust fill up our lungs? What is the sediment at the bottom of frozen wine? When did our tail become a coccyx? What causes ringworm? What drives the magnetic field? Dr Chris Smith and Krystal Orderson have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
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    20 mins
  • Are some people more prone to addiction?

    Are some people more prone to addiction?
    May 31 2024
    Dr Chris Smith chats with Relebogile Mabotja and her listeners about their science questions. Today: do older people yawn less frequently? And should you avoid zero sugar fizzy drinks whilst pregnant? Like this podcast? Please help us by supporting the Naked Scientists
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    15 mins
  • How were the pyramids built?

    How were the pyramids built?
    May 24 2024
    This time on Ask!, Dr Chris explains how tree rings helped scientists confirm last summer was the hottest for 2000 years. Also, how were the pyramids built? And where are we with understanding and treating Alzheimer's disease? Like this podcast? Please help us by supporting the Naked Scientists
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    15 mins
  • Is there a cure for OCD?

    Is there a cure for OCD?
    May 17 2024
    Chris Smith covers another cast of interesting queries submitted by listeners. They include: Why do we have accents? Is there such a thing as the "devil's hour?" What is acid reflux? Is there such a thing as race? If you had unfettered access to the James Webb Space Telescope, what would you point it at? Like this podcast? Please help us by supporting the Naked Scientists
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    24 mins
  • Do fish drink water?

    Do fish drink water?
    May 10 2024
    Dr Chris takes on listener questions: how long can someone survive without food and water? Why are some of us more prone to hangovers? Do gorillas drink water? Does spicy food cause vivid dreams? What causes insomnia? Like this podcast? Please help us by supporting the Naked Scientists
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    21 mins
  • Is the '10,000 hours rule' accurate?

    Is the '10,000 hours rule' accurate?
    May 3 2024
    In this week's selection of science questions, Dr Chris explains the impact of sweetners on the body, what happens when we suffer a stroke, and where the other half of the moon disappears to... Like this podcast? Please help us by supporting the Naked Scientists
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    17 mins
  • How does cloud seeding work?

    How does cloud seeding work?
    Apr 26 2024
    Why are viruses so contagious? Are there any treatments for macular degeneration? How are we treating depression with psychedelics? Why do people lose their sense of smell? Is cloud seeding a real thing? 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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    14 mins
  • Why do we dream the things we dream?

    Why do we dream the things we dream?
    Apr 19 2024
    Is our perfect total eclipse just a total coincidence? Where do our dreams come from? Can you launch a missile without it being picked up by satellites? Which animals have the best memory? Do humans have any instincts? Can gravity be 1g on a planet with a greater mass than Earth? Where could we go when Earth becomes uninhabitable? What was there before the beginning of the Universe? 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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    20 mins