New Scientist Weekly

By: New Scientist
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  • Summary

  • A news podcast for the instatiably curious by the world's most popular weekly science magazine. Everything from the latest science and technology news to the big-picture questions about life, the universe and what it means to be human. For more visit newscientist.com/podcasts Hosted on Acast. See acast.com/privacy for more information.
    © 2024 New Scientist Escape Pod
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Episodes
  • The origins of writing revealed; world’s largest (and oldest?) tree

    The origins of writing revealed; world’s largest (and oldest?) tree
    Nov 8 2024
    Episode 275 The origins of the world’s oldest known writing system are being uncovered. Cuneiform was invented around 3200 BC in ancient Mesopotamia, but before it came a much simpler form of writing called proto-cuneiform. Researchers are now shedding light on how writing began along with the cultural factors that spurred on its invention. Just as the rather disappointing COP16 biodiversity conference comes to a close, another COP is nearly upon us. The famous climate conference is in its 29th year and is taking place in Azerbaijan. It’s fair to say the stakes are extremely high. With global emissions cuts still not happening fast enough, the existence of some countries hanging in the balance and Donald Trump returning to the White House, can COP29 move the needle? Pando, a quaking aspen in Utah, is the world’s largest tree – and it’s very, very old. Until now its exact age has been hard to pinpoint, but researchers have now found it is among the oldest organisms on the planet, alive during the time of the woolly mammoth. But just how old is it? Did you know vampire bats can… run? And they’re pretty fast too. Researchers stuck some of these bats on treadmills to learn about their unusual diets. How exactly do they survive only eating fresh blood? Hosts Penny Sarchet and Timothy Revell discuss with guests Michael Marshall, Madeleine Cuff, Rowan Hooper, James Woodford and Matthew Sparkes. To read more about these stories, visit https://www.newscientist.com/ Learn more about your ad choices. Visit megaphone.fm/adchoices
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    34 mins
  • Microbiome special: how to boost your vital gut bacteria

    Microbiome special: how to boost your vital gut bacteria
    Nov 1 2024
    Episode 274 World leaders are in Colombia for the COP16 biodiversity summit. As delegates hash out a path forward, have we actually made any progress to protect global biodiversity since they last gathered? What would a Trump presidency mean for the climate? With the US election taking place on 5th November, two climate experts weigh in with their concerns. Leah Stokes works on climate policy at the University of California, Santa Barbara and Naomi Oreskes is a professor of earth and planetary science at Harvard. And in a special mega feature on the microbiome, take a deep dive into the science of our guts: First up, we know that antibiotics wipe out good and bad bacteria alike, but until now we didn’t realise just how intense those effects were. Now researchers have uncovered how many species of bacteria in our guts are killed off by antibiotics - and the truth of how long those impacts last. We also learn how our guts are battlegrounds, where microbes are in a constant state of war, fighting for resources and territory. Most surprising of all is how some microbes are turned traitors and end up killing off their own kind. And we provide a one-stop shop for all the science-backed ways to care for your gut and learn how the balance of microbes impacts healthy ageing, mental health and inflammation. Hosts Rowan Hooper and Penny Sarchet (yes, she’s back!) discuss with guests James Dinneen, Michael Le Page, Carissa Wong and Alison George. To read more about these stories, visit https://www.newscientist.com/ Learn more about your ad choices. Visit megaphone.fm/adchoices
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    32 mins
  • The gruesome story of the Viking skeleton found in a well

    The gruesome story of the Viking skeleton found in a well
    Oct 25 2024
    Episode 273 The mystery of “Well Man”, an ancient cold case, has just been solved. A Norse saga tells that in 1197, in the midst of a Viking raid, warriors dumped a body in a well inside a castle. Over 800 years later, archeologists recovered a body from that very well – but didn’t have the technology to show it was the man from the saga… until now. Some welcome good news about the climate. Energy imbalance, a key measure of global warming, has been rising fast, sparking fears that warming is accelerating faster than models predicted. But new findings suggest those fears are overblown and that there is hope yet. Birth control pills may shrink your brain (a small amount). After experiencing mood and physical changes after coming off the pill, one neuroscientist discovered very little had been done to understand the impact of hormonal birth control on the brain. So she scanned her own brain 75 times over several months while on and off the pill. The results are in. Hosts Rowan Hooper and Chelsea Whyte discuss with guests James Woodford, Michael Martin, Michael Le Page, Ben Sandersen, Grace Wade and Carina Heller. To read more about these stories, visit https://www.newscientist.com/ Learn more about your ad choices. Visit megaphone.fm/adchoices
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    22 mins

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