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Science Weekly

Science Weekly

De : The Guardian
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 Twice a week, the Guardian brings you the latest science and environment news© 2026 Guardian News & Media Limited or its affiliated companies. All rights reserved. Science
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    Épisodes
    • Psychedelics for depression, dart frog poison and why do we have chins?

      Psychedelics for depression, dart frog poison and why do we have chins?
      Feb 19 2026
      Madeleine Finlay sits down with science editor Ian Sample and science correspondent Nicola Davis to discuss three eye-catching stories, including the impact of a powerful psychedelic on depression, answers on the death of Russian opposition leader Alexei Navalny, and an explanation to the mystery of why humans have chins. Help support our independent journalism at theguardian.com/sciencepod
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      20 min
    • Should we really all be taking magnesium supplements?

      Should we really all be taking magnesium supplements?
      Feb 17 2026
      Testimonials about the beneficial health effects of magnesium supplements abound online, with influencers claiming that a daily pill can help with everything from anxiety to sleep and brain fog. But do any of these claims stack up? Ian Sample is joined by co-host Madeleine Finlay to find out where the science stands. They also hear from Katherine Tucker, the founder of the Center for Population Health at the University of Massachusetts Lowell. She explains what magnesium is doing in our bodies and the best approach we can take to ensure we are getting enough. Help support our independent journalism at theguardian.com/sciencepod
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      17 min
    • What bots talk about when they think humans aren’t listening

      What bots talk about when they think humans aren’t listening
      Feb 12 2026
      In late January a new social media site took a certain corner of the internet by storm. Moltbook was conceived as a space where AI assistants could let off steam, chat and compare notes on their bosses, but it quickly became the focus of breathless claims that the singularity had arrived as the bots started badmouthing their humans and plotting an uprising. So what’s the truth about Moltbook? Madeleine Finlay hears from Aisha Down about what it tells us about AI, and about us.. Help support our independent journalism at theguardian.com/sciencepod
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      17 min
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