DNA clues point to how dire wolves went extinct, and a round-up of the main impacts of Brexit on science.In this episode:00:45 Dire wolf DNADire wolves were huge predators that commonly roamed across North America before disappearing around 13,000 years ago. Despite the existence of a large number of dire wolf fossils, questions remain about why this species went extinct and how they relate to other wolf species. Now, using DNA and protein analysis, researchers are getting a better understanding of what happened to these extinct predators.Research Article: Perri et al.11:43 Research HighlightsThe secret to Pluto’s blue haze, and the neural circuitry underlying mice empathy.Research Highlight: Ice bathes Pluto in a blue hazeResearch Highlight: Brain maps show how empathetic mice feel each other's pain13:31 Post-Brexit scienceIn December, a last minute trade-deal between the UK and EU clarified what the future relationship between the two regions would look like, after Brexit. We discuss the implications of this trade-deal for science funding, the movement of researchers, and data sharing.News Explainer: What the landmark Brexit deal means for science23:18 Briefing ChatWe discuss some highlights from the Nature Briefing. This time, concerns about contaminating water on the moon, and the spy satellites that spied out environmental change.Nature News: Will increasing traffic to the Moon contaminate its precious ice?The New York Times: Inside the C.I.A., She Became a Spy for Planet EarthSubscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday. Hosted on Acast. See acast.com/privacy for more information.

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“What did the council decide on item 42?” — answered with the speaker and the moment.