New Scientist Weekly

Auteur(s): New Scientist
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  • 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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Épisodes
  • First brain engineering in a mammal; landmark in fossil fuel lawsuits, the legacy of Pope Francis

    First brain engineering in a mammal; landmark in fossil fuel lawsuits, the legacy of Pope Francis
    Apr 25 2025
    Episode 300 The first genetically engineered synapses have been implanted in a mammal’s brain. Chemical brain signals have been bypassed in the brains of mice and replaced with electrical signals, changing their behaviour in incredible ways. Not only did they become more sociable, they were also less anxious and exhibited fewer OCD-like symptoms. This work has sparked hope that one day we could use this technology to help humans with mental health conditions. But would you want someone making permanent edits to your brain? For the first time, climate scientists can now link specific fossil fuel companies to climate-related economic damages in particular places. A new method has been developed that can show the exact impact these companies are having on our environment - which the world’s top five emitters linked to trillions of dollars of economic losses. Find out how scientists have managed to piece this together - and whether these companies are about to face massive lawsuits. As we reflect on the death of Pope Francis, we explore his legacy on scientific issues and his transformative stance on climate change. As the spiritual leader of 1.4 billion Catholics, he became an influential figure in advocating for better care to be taken of our planet. Will his legacy continue with the next Pope? Chapters: (00:28) First brain engineering in a mammal (10:57) Landmark in fossil fuel lawsuits (19:33) Climate legacy of Pope Francis Hosted by Rowan Hooper and Penny Sarchet, with guests Alexandra Thompson, James Dinneen, William Schafer, Chris Callahan, Justin Mankin and Miles Pattenden. 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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    29 min
  • Why the climate crisis is an issue of injustice and inequality

    Why the climate crisis is an issue of injustice and inequality
    Apr 18 2025
    Episode 299 In a climate justice special episode of the podcast, the biggest issue of the century is up for discussion. Find out the true impact of climate change on our planet and who should be paying to fix the crisis. Rowan Hooper and Madeleine Cuff are joined by two climate experts - Friederike Otto and Joyce Kimutai from the World Weather Attribution project at Imperial College London. This episode is dedicated to answering three questions - starting with the issue of climate attribution. To what extent can we blame climate change for extreme weather events like hurricanes, droughts, heatwaves, floods and wildfires? Find out how climate attribution began as a fringe science and how it has evolved to become a firm part of public consciousness. The next question is one of climate justice - how can we make sure rich countries pay for the loss and damage caused to poorer countries by climate change? The argument is that poorer nations are least responsible for climate change, yet they are most affected by its impacts. So at the latest UN climate summit, COP28, a lot of money was pledged - yet hardly any of it has actually materialised. So what’s going on? And the third question is about litigation - can climate attribution be used to achieve justice, by forcing climate polluters to pay up? A trial is ongoing where a company in Germany is being sued for its role in damaging the climate - but it’s still unclear whether the case will be successful. The hope is with climate attribution, it’ll be easier to bring cases like this forward and offer up a more detailed picture of how much damage has been done - and how much money is owed. Chapters: (01:16) Weather attribution (19:58) Climate justice (32:52) Climate litigation To read more about stories like this, visit https://www.newscientist.com/ Learn more about your ad choices. Visit megaphone.fm/adchoices
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    42 min
  • Have we really just found the strongest evidence for alien life yet?

    Have we really just found the strongest evidence for alien life yet?
    Apr 17 2025
    Episode 298 Big news has just broken - astronomers claim they’ve detected the strongest evidence for alien life yet. The news has got the world’s media fired up with excitement - but is this really a “revolutionary moment”? Astronomers studying the atmosphere of a distant planet called K2-18b say they have detected a molecule called DMS that is only produced on Earth by living organisms, so it’s thought life might be producing it there too. Hear from the lead researcher on this project, Nikku Madhusudhan of the University of Cambridge, who says “these are the first hints of an alien world that is possibly inhabited”. But even if this biosignature detection is confirmed, would it be the slam dunk everyone thinks it is? In this episode, Alex Wilkins and Rowan Hooper offer a bit of balance to the discussion and explore how far this is from definitive evidence of alien life. We also hear the views of Laura Kreidberg, managing director of the Max Planck Institute for Astronomy. To read more about stories like this, visit https://www.newscientist.com/ Learn more about your ad choices. Visit megaphone.fm/adchoices
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    18 min

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