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The world, the universe and us

The world, the universe and us

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From the evolution of intelligent life, to the mysteries of consciousness; from the threat of the climate crisis to the search for dark matter, The world, the universe and us is your essential weekly dose of science and wonder in an uncertain world. Hosted by journalists Dr Rowan Hooper and Dr Penny Sarchet and joined each week by expert scientists in the field, the show draws on New Scientist’s unparalleled depth of reporting to put the stories that matter into context. Feed your curiosity with the podcast that will restore your sense of optimism and nourish your brain. For more visit newscientist.com/podcasts© 2025 New Scientist Podcasts Ciencia Política y Gobierno
Episodios
  • Why does America want Greenland?; Mystery of dark DNA; Ozempic weight rebound

    Why does America want Greenland?; Mystery of dark DNA; Ozempic weight rebound
    Jan 9 2026
    Episode 340 Acquiring Greenland has been deemed a national security priority by America. President Trump wants to use the country to deter adversaries in the Arctic, have control over its rare minerals and oil - and maybe even build experimental cities. But with the challenges of a changing climate, difficulty actually extracting any natural resources and the fact that Greenland isn’t free to occupy, how realistic are Trump's goals? Human-plant hybrid cells are being used to answer the mystery of “dark DNA”. Also known as “junk DNA”, this refers to the fact that much of the human genome seems to be inactive. And this new experiment may have proven this claim, showing that only about 10 per cent of our DNA is useful…the rest is just rubbish. What does that mean for the story of evolution, or the future of genetic modification? The team explores two major ways to interpret the results. And two diet-related stories this week. First, that fibre seems to have a beneficial effect on sleep quality, according to a large observational study review. And second, how people who stop taking GLP-1 weight-loss drugs, like Ozempic and Wegovy, tend to regain the weight they lost within less than two years. Hosted by Rowan Hooper and Penny Sarchet, with guests Michael Le Page, Alexandra Thompson, Anna Merril, Ruth Mottram and Martin Stendel.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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    31 m
  • Humans are finally heading back to the moon; Cheaper weight loss drugs are coming; Milestone for LSD trials; Promise of new carbon tax

    Humans are finally heading back to the moon; Cheaper weight loss drugs are coming; Milestone for LSD trials; Promise of new carbon tax
    Jan 2 2026
    Episode 339 Humans are finally going back to the moon. NASA’s Artemis II mission is set to launch in April, taking four astronauts in a loop around the moon. If it goes well, it’ll set the stage for a lunar landing by Artemis III - bringing us closer to creating permanent settlements on the surface. And that’s not all - SpaceX is planning to visit Mars this year as part of its plans to colonise the Red Planet. Plus, in May we might see the launch of a new American space station. Will these missions mark 2026 as the year that kick-started our spread off planet? GLP-1 weight loss drugs are set to get cheaper this year. The patent on semaglutide - the active ingredient in drugs like Ozempic - is about to run out, meaning more people will be able to access these hugely impactful medications. A pill version is also on the horizon, plus one upcoming drug that can cut body weight by a whopping 24 per cent. The first phase 3 trials of LSD are taking place this year. 55 years after being banned, the psychedelic drug is being tested once again for its ability to reduce anxiety and treat mental health conditions. Research suggests LSD can rewire your brain and relieve moderate to severe anxiety for at least three months. But will the trials prove its benefits outweigh any side effects? A carbon border tariff is being imposed by the EU - taxing imports of materials like steel from countries that aren’t doing enough to keep their emissions down. The policy is a positive step for climate action and will help to make EU industries more competitive. And it looks like countries around the world are soon to follow suit. Hosted by Rowan Hooper and Penny Sarchet, with guests Jacob Aron, Michael Le Page and Alexandra Thompson. 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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    33 m
  • Best science TV, film and books of 2025 | The New Scientist culture review

    Best science TV, film and books of 2025 | The New Scientist culture review
    Dec 26 2025
    Episode 336 Looking for something great to read or watch on TV over the festive period? We’ve got you covered. In a special edition of the podcast, we share our favourite books, TV and films of 2025 - for those moments when you need a break from the festivities. From pure science fiction to books exploring climate change and the history of our early ancestors, we have something for everyone. Below is a list of our top picks. Films and TV Ocean with David Attenborough Andor Season 2 The White House Effect Human with Ella al-Shamahi Pluribus My Husband the Cyborg Severance Season 2 Books Every Version of You by Grace Chan The Story of CO2 is the Story of Everything by Peter Brannen Clearing the Air by Hannah Ritchie Positive Tipping Points by Tim Lenton The Last Neanderthal by Ludovic Slimak Hello Cruel World by Melinda Moyer Hosted by Rowan Hooper with guests Bethan Ackerley and Alison Flood. Sign up to our book club for more recommendations, discussion and author interviews https://www.newscientist.com/bookclub/ 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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    24 m
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Interesting topics, guests who are knowledgable and speak in plain language. The hosts have a sense of humor and nice chemistry with each other.

Interesting stories, charming hosts with good chemistry!

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