Episodios

  • Why is it so important to finish a course of antibiotics?

    Why is it so important to finish a course of antibiotics?
    Aug 15 2025
    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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    22 m
  • Do animals feel fear?

    Do animals feel fear?
    Aug 1 2025
    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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    18 m
  • Will our universe keep on growing?

    Will our universe keep on growing?
    Jul 25 2025
    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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    22 m
  • Why do adults take longer to wake up than babies?

    Why do adults take longer to wake up than babies?
    Jul 18 2025
    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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    19 m
  • Why do medicines get discontinued?

    Why do medicines get discontinued?
    Jul 11 2025
    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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    19 m
  • Is leukaemia genetic?

    Is leukaemia genetic?
    Jul 4 2025
    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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    21 m
  • Why does cold water take your breath away?

    Why does cold water take your breath away?
    Jun 27 2025
    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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    18 m
  • Why can't you tickle yourself?

    Why can't you tickle yourself?
    Jun 20 2025
    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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    21 m