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3:36:25EN
Lex Fridman· Sep 4, 2025Podcast · 2 speakersT. rex Was an Orca on Land. Almost Nothing Else Matches the Movies.Guest Dave Hone · Host Lex FridmanPaleontologist Dave Hone walks Lex Fridman through T. rex size, bone-crushing anatomy, hunting, extinction, and what Jurassic Park still gets wrong.
3:26:39ENLex Fridman· Dec 22, 2024Podcast · 2 speakersThe Pessimism Line: Why Earth Is Almost Certainly Not the First CivilizationGuest Adam Frank · Host Lex FridmanAstrophysicist Adam Frank talks with Lex Fridman about habitable worlds, the Fermi paradox, technosignatures, and why science cannot ignore experience.
2:40:18ENLex Fridman· Dec 29, 2022Podcast · 2 speakersEvery Living Cell Runs the Same Translation MachineGuest Betül Kaçar · Host Lex FridmanAstrobiologist Betül Kaçar tells Lex Fridman how the tree of life is drawn backward, why nitrogen was fixed only once, and why the genetic code is an alphabet with room for typos.
2:43:51ENLex Fridman· Jun 25, 2022Podcast · 2 speakersTwo Tubes, Millimeters Apart: Jonathan Reisman on the Honest Design of the Human BodyGuest Jonathan Reisman · Host Lex FridmanThe emergency physician and author of The Unseen Body walks Lex Fridman from the throat to the Arctic, arguing that anatomy is mostly brilliant, sometimes a near-miss, and always a story written in scars.
3:16:16ENLex Fridman· Jun 12, 2022Podcast · 2 speakersEvolution Never Designed You to See the TruthGuest Donald Hoffman · Host Lex FridmanCognitive scientist Donald Hoffman tells Lex Fridman why natural selection hides reality behind a user interface, and why spacetime itself may be just another icon on the desktop.
2:20:31ENLex Fridman· Nov 20, 2020Podcast · 2 speakersThe Most Romantic Gift Lisa Feldman Barrett Ever Got Was a Six-Way PlugGuest Lisa Feldman Barrett · Host Lex FridmanOn her second Lex Fridman Podcast, the neuroscientist traces how she fell in love over a 1992 bulletin board, why brains evolved to hunt rather than to think, and how a body budget can change a mood.