The symptoms of long covid are diverse and numerous, and we’re still getting to grips with a clinical definition. Adam Vaughan visited the UK’s first long covid clinic, and explains how it provides both physical and psychological support to patients. The team then discusses the evolution of cooperation with professor Nichola Raihani, author of ‘The Social Instinct’, who explains why species collaborate, an act which seems to contradict the competitive nature of life in Darwin’s theory of natural selection. Then they get into the unnerving news that aliens might be spying on us from other planets. They mark the birthday of one of the greatest and most influential figures of the twentieth century, Alan Turing, who features on the Bank of England’s new £50 note. And they explain how quantum mechanics is being used to protect our data online. On the pod are Rowan Hooper, Tiffany O’Callaghan, Adam Vaughan, Matt Sparkes, Leah Crane and Chelsea Whyte. To read about these stories and much more, subscribe at newscientist.com/podcasts.

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#73: How to treat long covid; evolution of cooperation; Turing’s ACE computer; aliens watching Earth