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.
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Episodes
  • Weekly: COP29: Are UN climate summits failing us and our planet?

    Weekly: COP29: Are UN climate summits failing us and our planet?
    Nov 15 2024
    Episode 276 Are the COP climate summits doing enough to help us avoid the most devastating impacts of climate change, or are they not fit for purpose, and designed to fail? COP29 is underway in petrostate Azerbaijan, headed by a CEO who was secretly filmed making oil and gas deals. Despite this, the team finds reason for optimism. They also hear from climate philosopher and activist Rupert Read, who runs the Climate Majority Project. He argues the COP process was designed to fail, that 1.5 degrees is dead and that adaptation - not mitigation - is the way to go. What do you think? Bird migration is an extraordinary feat of evolution - but how exactly do they do it? We know the Earth’s magnetic field has something to do with it, but we’ve only just discovered the astonishing level of detail birds are able to get from it. Raising questions about bird intelligence, the team also hears how birds evolved from dinosaurs. Gophers have an incredible capacity to shape their landscape. Gophers are small, burrowing rodents with long front teeth. And a decades-long study has shown that just one day of work by a gopher can completely revitalise soil in an area, changing its microbial diversity and preventing disease. Gopher productivity surely puts humans to shame. Hosts Rowan Hooper and Penny Sarchet discuss with guests Madeleine Cuff and Sophie Bushwick. To read more about these stories, visit https://www.newscientist.com/ Learn about the Climate Majority Project here. Find Rupert Read’s book here. Learn more about your ad choices. Visit megaphone.fm/adchoices
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    31 mins
  • 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

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