#56: How to spend a trillion dollars; landing on Mars; exercise and metabolism myths

What could you do with a trillion dollars? Rowan Hooper tackles this question in his latest book which examines how the money could be used to safeguard the future of our planet. The team talks about raising cash through a tax on carbon, how much it would cost to protect all the world’s endangered species, and Elon Musk’s carbon capture and storage competition. Also on the show excitement mounts over NASA’s successful touchdown on Mars, as the team discusses Perseverance and its first full week in the Jezero Crater. They also uncover myths about how our metabolisms work, and why long-held assumptions about exercise and weight loss are wrong. Also: why researchers have been teaching Morse code to people while they sleep, and new findings about cetaceans and their unexpectedly low rates of cancer. On the pod are Rowan Hooper, Tiffany O’Callaghan, Cat de Lange, Leah Crane and Chelsea Whyte. To read more about the stories, subscribe at newscientist.com/podcasts.

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