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3:18:09EN
Lex Fridman· Nov 30, 2025Podcast · 2 speakersA Thing Is Alive When Its Goals Outrun Its PartsGuest Michael Levin · Host Lex FridmanTufts biologist Michael Levin tells Lex Fridman that intelligence is a spectrum of persuadability, that even a bubble sort hosts unexpected goals, and that the brain is a thin client to a space physics does not own.
2:42:06ENLex Fridman· Oct 14, 2025Podcast · 2 speakersThe word 'evil' ends the conversationGuest Julia Shaw · Host Lex FridmanCriminal psychologist Julia Shaw talks with Lex Fridman about the dark tetrad, serial killers, jealousy, bisexuality, and why generative AI is the ultimate false-memory machine.
8:37:34ENLex Fridman· Aug 2, 2024Podcast · 2 speakersThe first Neuralink patient beat a world record with most of his electrodes goneGuest Elon Musk · Host Lex FridmanLex Fridman talks with Elon Musk, the Neuralink team, and Noland Arbaugh about a wireless brain implant, the software that rescued it, and why bandwidth is Musk’s bet on living with AI.
1:47:18ENLex Fridman· Jun 27, 2024Podcast · 2 speakersA Cannabis Clip Sat Quiet for a Year. Then It Hit X.Guest Andrew Huberman · Host Lex FridmanAndrew Huberman talks with Lex Fridman about online pile-ons, still minds, sharks, ayahuasca, and the slow work of picking who you eat with.
3:10:49ENLex Fridman· May 25, 2024Podcast · 2 speakersMemory Is Not a Replay: Charan Ranganath on Forgetting, Imagination, and False MemoriesGuest Charan Ranganath · Host Lex FridmanA UC Davis neuroscientist explains why the brain is a cheap prediction machine — and why forgetting is how memory works.
2:50:44ENLex Fridman· Apr 17, 2024Podcast · 2 speakersThe Pirahã Have No Word for OneGuest Edward Gibson · Host Lex FridmanMIT psycholinguist Ted Gibson tells Lex Fridman why related words sit together, why language is not thought, and why large language models ace form while missing meaning.
2:30:28ENLex Fridman· Apr 21, 2023Podcast · 2 speakersAI Only Has a Neocortex: Manolis Kellis on Evolutionary Baggage and Superintelligent PartnersGuest Manolis Kellis · Host Lex FridmanOn his fifth Lex Fridman podcast, the MIT computational biologist argues that layered evolutionary history is what makes humans irreplaceable — and that alignment with AI has to run both ways.
2:39:40ENLex Fridman· Oct 5, 2022Podcast · 2 speakersThe Self That Swoops In to Decide Is Not ThereGuest Annaka Harris · Host Lex FridmanAnnaka Harris tells Lex Fridman why conscious will is an illusion, why a pea tendril is a better picture of choice than an inner agent, and why she now treats consciousness as a possible fundamental of physics.
2:44:16ENLex Fridman· Jul 14, 2022Podcast · 2 speakersIQ at Eleven Predicted Survival at Eighty. Richard Haier on the Finding Psychology Tried to BuryGuest Richard Haier · Host Lex FridmanLex Fridman talks with psychologist Richard Haier about the g factor, The Bell Curve, group differences, and why intelligence research became the most radioactive topic in the field.
3:21:29ENLex Fridman· Apr 7, 2022Podcast · 2 speakersWhen something in the mind breaks, you see what it was forGuest Karl Deisseroth · Host Lex FridmanStanford psychiatrist Karl Deisseroth talks with Lex Fridman about depression, schizophrenia, optogenetics, and why you can treat one symptom without a theory of everything.
2:37:03ENLex Fridman· Feb 13, 2022Podcast · 2 speakersNo One Knows How to Make a PencilGuest Tim Urban · Host Lex FridmanWait But Why's Tim Urban spent five years on a book about why society is tearing itself apart, then sat down with Lex Fridman to talk aliens, Musk, Neuralink, and the war inside a procrastinator's head.
1:42:58ENLex Fridman· Feb 6, 2022Podcast · 2 speakersDon't Talk Conclusions. Talk Data.Guest Garry Nolan · Host Lex FridmanA Stanford immunologist sat through the brain scans of people who said they had met UFOs—and treats the rest of the subject the same way.
2:46:31ENLex Fridman· Feb 3, 2022Podcast · 2 speakersThe Official Scientific Worldview Is Incompatible With ConsciousnessGuest Philip Goff · Host Lex FridmanDurham philosopher Philip Goff tells Lex Fridman why panpsychism — the view that consciousness is fundamental and ubiquitous — is the least-bad theory of mind.
2:56:42ENLex Fridman· Sep 26, 2021Podcast · 2 speakersSilicon Does Not Emit LightGuest Jeffrey Shainline · Host Lex FridmanNIST physicist Jeffrey Shainline on why a brain-like computer should calculate in superconducting electronics and talk with single photons.
2:31:57ENLex Fridman· Sep 20, 2021Podcast · 2 speakersJay McClelland on How Thought Emerges From Neural NetworksGuest Jay McClelland · Host Lex FridmanThe Stanford cognitive scientist talks with Lex Fridman about connectionism, backpropagation, David Rumelhart, and why intuition discovers what logic later proves.
3:12:21ENLex Fridman· Aug 21, 2021Podcast · 2 speakersThe Ape's Brain Runs a Dream: Joscha Bach on Consciousness, Freedom, and MeaningGuest Joscha Bach · Host Lex FridmanA long conversation about the self as a control model, the dream world generated by the brain, free will, language models, evil, love, and how to live without a fixed self.
2:48:18ENLex Fridman· Aug 11, 2021Podcast · 2 speakersHumans are the only species that skip sleep on purposeGuest Matt Walker · Host Lex FridmanBerkeley sleep scientist Matt Walker talks with Lex Fridman about why we sleep, what caffeine and dreams actually do, and whether passion can justify the health cost of staying up.
2:18:29ENLex Fridman· Aug 8, 2021Podcast · 2 speakersYour Cortex Is 150,000 Brains Voting on a Coffee CupGuest Jeff Hawkins · Host Lex FridmanJeff Hawkins tells Lex Fridman that intelligence is learning a model of the world, the neocortex is tens of thousands of independent maps that vote, and the fastest path to machine intelligence is reverse-engineering that sheet.
2:31:30ENLex Fridman· May 24, 2021Podcast · 2 speakersThe Brain Is the Last Unengineered System in SocietyGuest Bryan Johnson · Host Lex FridmanBryan Johnson demos Kernel Flow on Lex Fridman, then argues that cognition is society's largest unmeasured input and that numbers, not vibes, should run mental health, diet, and the next wave of brain interfaces.
1:56:17ENLex Fridman· Apr 19, 2021Podcast · 2 speakersIf You Reran Earth a Million Times, Would Anything Like Us Appear?Guest Risto Miikkulainen · Host Lex FridmanRisto Miikkulainen on neuroevolution, hyena raids, basil that never sleeps, and why variation-plus-selection still finds solutions backpropagation cannot see.
2:58:38ENLex Fridman· Feb 28, 2021Podcast · 2 speakersSleep runs on two clocks — and worrying about it can be worse than a short nightGuest Andrew Huberman · Host Lex FridmanStanford neuroscientist Andrew Huberman tells Lex Fridman how adenosine and body temperature decide when you crash, why dreams work like overnight therapy, and what the chemistry of effort has to do with not quitting.
2:14:55ENLex Fridman· Nov 30, 2020Podcast · 2 speakersHis Wife Calls Him the RadioGuest Manolis Kellis · Host Lex FridmanMIT computational biologist Manolis Kellis spends the first forty minutes of his fourth Lex Fridman conversation on the songs that formed him, then turns to 42, dinosaurs, and why hunting for meaning matters more than finding it.
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.
2:35:30ENLex Fridman· Nov 16, 2020Podcast · 2 speakersOn a Perfectly Flat Floor, Heights Still WorkGuest Andrew Huberman · Host Lex FridmanStanford neuroscientist Andrew Huberman talks with Lex Fridman about fear circuits, matching inner arousal to outer demand, and why the first minutes after sleep should not belong to someone else's timeline.Load moreShowing 24 of 50