23 January: How stress can cause grey hair, and the attitude needed to tackle climate change

This week, why stress makes mice turn grey, and how to think about climate change.

In this episode:

00:45 Going grey

Anecdotal evidence has long suggested stressas a cause of grey hair. Now, a team of researchers have showed experimental evidence to suggest this is the case. Research Article: Zhang et al.; News & Views: How the stress of fight or flight turns hair white

08:39 Research Highlights

Ancient bones suggest that giant ground sloths moved in herds,plus an atomic way to check for whiskey fakes. Research Highlight: A bone bed reveals mass death of herd of giant ground sloths; Research Highlight: Nuclear-bomb carbon unmasks fraudulent luxury whisky

10:40 Climate optimism

To tackle climate change, the former UN secretary for climate change argues that the biggest change needs to be mindset. Comment: Paris taught me how to do what is necessary to combat climate change

18:09 News Chat

The latest on a new virus from Wuhan in China, and insights from ancient African genomes. News: China virus latest: first US case confirmed; Research Article: Lipson et al.

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