talent discovery

Anna Wintour is one of the most important people in fashion. She is arguably one of the world's most influential and powerful people. A brand in her own right. But aged 74 and tasked with saving a global legacy media company in a digital age, is this a step too far for the last great editor?

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Former Vice President Al Gore has said that climate change is predicted to lead to a billion climate refugees. But where do these predictions come from and are they realistic? We investigate the idea that floods, droughts, storms and sea level rise will cause a mass migration of people across borders.

Reporter and Producer: Tom Colls Sound Mix: James Beard Editor: Richard Vadon

(Photo: Floods in central Somalia Credit: Said Yusuf - WARSAME/EPA-EFE/REX/Shutterstock)

Tim Harford speaks to Israeli researcher, Tomer Hertz, about how the mathematical magic of pool testing could help countries to ramp up their Covid-19 testing capacity.