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2:51:58EN
Lex Fridman· 13. Juni 2024Podcast · 2 StimmenSara Walker: Life Is Huge in Time, Not in SpaceGast: Sara Walker · Moderation: Lex FridmanThe astrobiologist tells Lex Fridman why textbook definitions of life fail, how assembly theory measures complexity, and why aliens might disappear into their own causal structure.
3:19:21ENLex Fridman· 9. Dez. 2023Podcast · 2 StimmenComplexity without copies is just randomness: Lee Cronin on assembly theoryGast: Lee Cronin · Moderation: Lex FridmanThe Glasgow chemist walks Lex Fridman through his controversial Nature paper, a proposed life meter for other worlds, and the claim that the universe is too big to contain its own future.
2:40:18ENLex Fridman· 29. Dez. 2022Podcast · 2 StimmenEvery Living Cell Runs the Same Translation MachineGast: Betül Kaçar · Moderation: 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.
3:43:01ENLex Fridman· 7. Sept. 2022Podcast · 2 StimmenPut Hydrogen and CO2 in a Tube. Thermodynamics Wants Cells. Nothing Happens.Gast: Nick Lane · Moderation: Lex FridmanBiochemist Nick Lane talks Lex Fridman through hydrothermal vents, mitochondria, sex, consciousness, and why bacteria should be common while civilizations are not.
4:05:22ENLex Fridman· 24. Apr. 2022PodcastIf We Cannot Say What Life Is, We Cannot Recognize AliensModeration: Lex FridmanAstrobiologist Sara Walker and chemist Lee Cronin argue that the hunt for alien life is really a hunt for a physics of memory, objects, and time.
4:05:51ENLex Fridman· 11. März 2022Podcast · 2 StimmenLife is the universe developing a memoryGast: Lee Cronin · Moderation: Lex FridmanChemist Lee Cronin tells Lex Fridman why life looks inevitable, how assembly theory could detect it on any world, and why silicon may never hold enough states for consciousness.
1:59:28ENLex Fridman· 9. Juli 2021Podcast · 2 StimmenSara Walker says “what is life?” is the wrong questionGast: Sara Walker · Moderation: Lex FridmanThe astrobiologist and theoretical physicist tells Lex Fridman that origin-of-life science is stuck on molecules, and that causation, assembly, and planetary-scale information are closer to the real problem.
2:17:42ENLex Fridman· 11. Jan. 2021Podcast · 2 StimmenThe building block of life is a bead on a string, not the whole proteinGast: Dmitry Korkin · Moderation: Lex FridmanDmitry Korkin tells Lex Fridman why protein domains, a triangular spike, and a conservative viral shell matter more than the AlphaFold headline, and why a Nobel laureate once answered a midnight forum post.
2:10:53ENLex Fridman· 12. Sept. 2020Podcast · 2 StimmenAll Your DNA Would Reach Jupiter a Hundred Times OverGast: Manolis Kellis · Moderation: Lex FridmanManolis Kellis talks Lex Fridman through the epigenome, Neanderthals, Europa, midlife, and why "are you happy?" is the wrong question.