This week, diamond-containing rocks may help uncover secrets of the Earth’s mantle, and a reflection on science since the Hitchhikers Guide to the Galaxy was published.In this episode:00:46 Earth’s EvolutionExplosive eruptions have allowed researchers to study Earth’s mysterious mantle. Research Article: Woodhead et al.; News and Views: Enigmatic origin of diamond-bearing rocks revealed06:08 Research HighlightsSupersonic cork popping, and the timing of vaccines. Research Highlight: An uncorked champagne bottle imitates a fighter jet; Research Highlight: Why midday might be a golden hour for vaccinations07:53 Don’t Panic40 years since the publication of the ‘Hitchhikers Guide to the Galaxy’ we reflect on how far science has come.15:22 News ChatA huge telescope with exquisite sensitivity is opening in China, and gene-editing to save bananas. News: Gigantic Chinese telescope opens to astronomers worldwide; News: CRISPR might be the banana’s only hope against a deadly fungus 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.