Generative AI hallucinates, creating a truth problem that science can’t afford. Computer scientist Tudor Achim thinks a 400-year-old idea holds the fix: Leibniz’s dream of a logical framework where errors are simply impossible. Learn about his idea for mathematical superintelligence that would ground AI in formal verification, turning unreliable chatbots into rigorous partners for scientific discovery. (Recorded at TEDAI San Francisco 2025 on October 21, 2025)

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The TED Talks channel features the best talks and performances from the TED Conference, where the world’s leading thinkers and doers give the talk of their lives in 18 minutes (or less) — plus originals, podcasts and exclusive content. Look for videos on Technology, Entertainment and Design as well as science, business, global issues, the arts and more. Visit for our entire library, transcripts, translations and personalized recommendations.

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Neutrality can get you through a tough conversation, but it rarely gets you anywhere. Joshua Johnson, actor/anchor for “The Onion” and former NPR host, makes the case instead for objectivity — parking your own opinions for a moment so you can focus on someone else’s story. He shares three quick ways to turn your most frustrating conversations into real understanding. (Recorded at TED2026 on April 16, 2026)

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The TED Talks channel features the best talks and performances from the TED Conference, where the world’s leading thinkers and doers give the talk of their lives in 18 minutes (or less) — plus originals, podcasts and exclusive content. Look for videos on Technology, Entertainment and Design as well as science, business, global issues, the arts and more. Visit for our entire library, transcripts, translations and personalized recommendations.

Watch more:

TED videos may be used for non-commercial purposes under a Creative Commons License, Attribution–Non Commercial–No Derivatives (or the CC BY – NC – ND 4.0 International) and in accordance with the TED Talks Usage Policy: . For more information on using TED for commercial purposes (e.g. employee learning, in a film or online course), submit a request at

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There’s a simple way to increase your cat’s happiness, says animal behaviorist Nicky Trevorrow. She explains the importance of play for our feline friends — and for basically any species (looking at you, dog lovers!) — and shares specific, actionable strategies to boost your cat’s mental and physical health.