How will we know when we’ve made a truly sentient artificial intelligence? Well, one Google engineer believes we’re already there. The team discusses the story of Google’s very clever AI called LaMDA, and ask another chatbot, GPT3, what it would think if LaMDA was destroyed.
Did you know stars have ‘earthquakes’ too? These starquakes have been spotted by the Gaia space observatory, which aims to build a 3D map of all the stars in our galaxy. It’s been collecting a phenomenal amount of data, and the team explores its findings.
Net Zero pledges are becoming more popular - which is great - but a lot of them aren’t being acted on. According to a new consortium Net Zero Tracker, a worrying number of these pledges aren’t credible. The team finds out how the group aims to hold companies to account.
Our brains are hotter than we realised - 2.5 degrees celsius hotter in fact. The team asks why we’re only just finding this out in 2022, and how the discovery may improve care for people undergoing brain surgery.
Steve Brusatte is best known as a dinosaur palaeontologist, but he has turned his attention now to our own class, the mammals. Rowan chats with him, and amongst other things finds out how enslaved Africans in South Carolina were instrumental in the development of palaeontology.
On the pod are Rowan Hooper, Penny Sarchet, Clare Wilson,Matt Sparkes and James Dinneen. To read about these stories and much more, subscribe at newscientist.com/podcasts.
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