• Question of the Week, from the Naked Scientists

  • Auteur(s): Dr Chris Smith
  • Podcast

Question of the Week, from the Naked Scientists

Auteur(s): Dr Chris Smith
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  • Résumé

  • Each week we set out to solve one of the world's weirdest, wackiest, funniest and funkiest scientific puzzles. And along with the answer there's a brand new question to think about for next time...
    The Naked Scientists
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Hygiene & Healthy Living Nature et écologie Science Sciences biologiques Troubles et maladies
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Épisodes
  • How do animals adapt to a changing magnetic field?

    How do animals adapt to a changing magnetic field?
    Apr 11 2025
    Alan writes in, acknowledging that many animals use the Earth's magnetic field for navigation purposes. Given the shifts in poles and field intensity we experience due to convection currents in the Earth's core, how do they stay on course? James Tytko asked Miriam Liedvogel, professor of ornithology, to help find the answer... James - The best supported ideas include the presence of a tiny compass needle of magnetic iron oxide in the beaks of some birds. Or there's the radical pair hypothesis, which explains magnetoreception with quantum mechanics. Mirjam Liedvogel is director of the Institute... Like this podcast? Please help us by supporting the Naked Scientists
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    5 min
  • Do we know what the Wow! signal was?

    Do we know what the Wow! signal was?
    Apr 4 2025
    In 1977, astronomer Jerry Ehman detected a narrowband radio signal, far stronger than any that have been recorded before or since, using Ohio State University's Big Ear telescope as it was pointing in the direction of the Saggitarius constellation. Listener to the show, Donald, wants to know if any consensus has been reached as to the origin of the signal, which James Tytko sought to find out with the help of former BBC science editor, David Whitehouse. Like this podcast? Please help us by supporting the Naked Scientists
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    5 min
  • Should elderly people use trampolines?

    Should elderly people use trampolines?
    Mar 28 2025
    Thanks to John Travers for the answer!Listener Francisco asked: I have been told that jumping on a trampoline is healthy for humans. It is considered as a good exercise; and also to better coordinate brain and body. I am 73 and wonder whether it is advisable for me to jump on a spring board?John - My work in reversing frailty and building resilience in older adults has made me a big advocate for resistance exercises like trampolining. This should be combined with consuming sufficient protein to turn that work into stronger muscles and bones. Jumping on a trampoline can improve cardiovascular... Like this podcast? Please help us by supporting the Naked Scientists
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    4 min

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