Laura Dodsworth investigated how tech giants manipulate users for her co-written book, titled Free Your Mind, which even involved a stay at a nun’s convent to escape the endless pings. Ancient alien radio bursts clue to ‘weight of universe’. Regrowing Maui’s scorched trees after deadly wildfires.

Also in this episode:

• Nighy & Fiennes in National Theatre Live plays streaming to UK cinemas
• Thumbs ready for London’s Counter-Strike 2 game final
• US Marines ‘MacGyver’ rocket launcher on robodog

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