London’s Metropolitan police plans a massive deployment of facial recognition cameras at the coronation of King Charles III to find alleged suspects and terrorists seeking to mingle among crowds. Interview with Emmanuelle Andrews, policy and campaigns manager at human rights charity Liberty, who says there’s major unresolved accuracy, bias and data sharing tech issues. Hear the soundtrack to Standard’s free coronation NFT. What’s in the centre of Mars?

Also in this episode:

• Star swallowing whole planet seen for first time
• Video game hides war news to beat Russian censors
• Ancient DNA link in 20,000-year-old necklace
• How changing seasonal clocks can ruin your sleep

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