After making the astonishing discovery that what he and his fellow cosmologists thought they knew about the universe was wrong, Saul Perlmutter began a course at his university explaining why catching mistakes is at the heart of science. It’s also a lesson in life for the rest of us.

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The author of the wonderful memoir Lab Girl turns her turns her ability to be both clear and vivid to providing a path forward for a new generation tackling the climate crisis.

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His poems are loved by millions. Poet Laureate from 2001 to 2003, Billy Collins achieves both depth and accessibility in the same moment. His words often surprise us because they have a way of surprising him.

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His descriptions of living in space make you feel you’re on the ship with him. His performance of the David Bowie song Space Oddity in a video he beamed down to earth was a worldwide hit. Canadian astronaut Chris Hadfield is a veteran of three space missions, including as commander of the International Space Station. He takes us with him.

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A successful playwright with plenty to smile about – a new play opening on Broadway and the birth of twins – suddenly lost her ability to smile. Her struggle to regain it is the subject of her new book, a story that – perhaps surprisingly – will give you plenty to smile about.

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In a widely praised new book, The Quiet Before, Gal Beckerman paints vivid pictures of how throughout history, radical change has only come about through quiet preparation.

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As the James Webb Space Telescope starts peering out into space this summer, mother and daughter astronomers Natalie and Natasha Batalha will each have major roles in the search for signs of life on planets beyond the solar system.

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His outstanding career acting in both movies and television – most recently his highly praised performance in the Hulu series Dopesick – had its beginning in standup comedy. “It was an opportunity to have a stage for 15 minutes and… perform.”

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Alan and Executive Producer Graham Chedd chat about and play excerpts from Alan's conversations with some of the guests in the new season, beginning next week. Guests include actor Michael Keaton, poet Billy Collins, and astronaut (and space oddity) Chris Hadfield.

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Twenty years of exploring the technical, social and environmental impact of AI has convinced Kate Crawford that we should be much more skeptical about where AI is useful – and concerned about where it is harmful.

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