Scientists scramble to understand the devastating Tongan volcano eruption, and modelling how societal changes might alter carbon emissions.In this episode:00:46 Understanding the Tongan eruptionOn the 15th of January, a volcano in the South Pacific Ocean erupted, sending ash into the upper atmosphere, and unleashing a devastating tsunami that destroyed homes on Tonga’s nearby islands. Now scientists are trying to work out exactly what happened during the eruption — and what it means for future volcanic risks.News Feature: Why the Tongan eruption will go down in the history of volcanology08:49 Research HighlightsThe genes associated with reindeers’ roaming behaviour, and how fossilised puke has thrown up new insights into pterosaurs’ stomachs.Research Highlight: A reindeer’s yearning to travel can be read in its genesResearch Highlight: Petrified puke shows that ancient winged reptiles purged11:29 Modelling societal changes to carbon emissionsA team of researchers have modelled what humans might do in the face of climate change, and looked at how societal, political and technological changes could alter future emissions.Research article: Moore et al.18:12 Briefing ChatWe discuss some highlights from the Nature Briefing. This time, China alters its guidelines for gene-edited crops, and how Guinea worm infections have been driven down from millions of cases a year to just 14.Nature News: China’s approval of gene-edited crops energizes researchersNature News: Just 14 cases: Guinea worm disease nears eradicationSubscribe 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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