431 episodes

Conversations about science, technology, history, philosophy and the nature of intelligence, consciousness, love, and power. Lex is an AI researcher at MIT and beyond.

Lex Fridman Podcast Lex Fridman

    • Technology
    • 4.7 • 10.7K Ratings

Conversations about science, technology, history, philosophy and the nature of intelligence, consciousness, love, and power. Lex is an AI researcher at MIT and beyond.

    #430 – Charan Ranganath: Human Memory, Imagination, Deja Vu, and False Memories

    #430 – Charan Ranganath: Human Memory, Imagination, Deja Vu, and False Memories

    Charan Ranganath is a psychologist and neuroscientist at UC Davis, specializing in human memory. He is the author of a new book titled Why We Remember. Please support this podcast by checking out our sponsors:

    - Riverside: https://creators.riverside.fm/LEX and use code LEX to get 30% off

    - ZipRecruiter: https://ziprecruiter.com/lex

    - Notion: https://notion.com/lex

    - MasterClass: https://masterclass.com/lexpod to get 15% off

    - Shopify: https://shopify.com/lex to get $1 per month trial

    - LMNT: https://drinkLMNT.com/lex to get free sample pack



    Transcript: https://lexfridman.com/charan-ranganath-transcript



    EPISODE LINKS:

    Charan's X: https://x.com/CharanRanganath

    Charan's Instagram: https://instagram.com/thememorydoc

    Charan's Website: https://charanranganath.com

    Why We Remember (book): https://amzn.to/3WzUF6x

    Charan's Google Scholar: https://scholar.google.com/citations?user=ptWkt1wAAAAJ

    Dynamic Memory Lab: https://dml.ucdavis.edu/



    PODCAST INFO:

    Podcast website: https://lexfridman.com/podcast

    Apple Podcasts: https://apple.co/2lwqZIr

    Spotify: https://spoti.fi/2nEwCF8

    RSS: https://lexfridman.com/feed/podcast/

    YouTube Full Episodes: https://youtube.com/lexfridman

    YouTube Clips: https://youtube.com/lexclips



    SUPPORT & CONNECT:

    - Check out the sponsors above, it's the best way to support this podcast

    - Support on Patreon: https://www.patreon.com/lexfridman

    - Twitter: https://twitter.com/lexfridman

    - Instagram: https://www.instagram.com/lexfridman

    - LinkedIn: https://www.linkedin.com/in/lexfridman

    - Facebook: https://www.facebook.com/lexfridman

    - Medium: https://medium.com/@lexfridman



    OUTLINE:

    Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time.

    (00:00) - Introduction

    (10:18) - Experiencing self vs remembering self

    (23:59) - Creating memories

    (33:31) - Why we forget

    (41:08) - Training memory

    (51:37) - Memory hacks

    (1:03:26) - Imagination vs memory

    (1:12:44) - Memory competitions

    (1:22:33) - Science of memory

    (1:37:48) - Discoveries

    (1:48:52) - Deja vu

    (1:54:09) - False memories

    (2:14:14) - False confessions

    (2:18:00) - Heartbreak

    (2:25:34) - Nature of time

    (2:33:15) - Brain–computer interface (BCI)

    (2:47:19) - AI and memory

    (2:57:33) - ADHD

    (3:04:30) - Music

    (3:14:15) - Human mind

    • 3 hr 20 min
    #429 – Paul Rosolie: Jungle, Apex Predators, Aliens, Uncontacted Tribes, and God

    #429 – Paul Rosolie: Jungle, Apex Predators, Aliens, Uncontacted Tribes, and God

    Paul Rosolie is a naturalist, explorer, author, and founder of Junglekeepers, dedicating his life to protecting the Amazon rainforest. Support his efforts at https://junglekeepers.org



    Please support this podcast by checking out our sponsors:

    - ShipStation: https://shipstation.com/lex and use code LEX to get 60-day free trial

    - Yahoo Finance: https://yahoofinance.com

    - BetterHelp: https://betterhelp.com/lex to get 10% off

    - NetSuite: http://netsuite.com/lex to get free product tour

    - Eight Sleep: https://eightsleep.com/lex to get $350 off

    - Shopify: https://shopify.com/lex to get $1 per month trial



    Transcript: https://lexfridman.com/paul-rosolie-2-transcript



    EPISODE LINKS:

    Paul's Instagram: https://instagram.com/paulrosolie

    Junglekeepers: https://junglekeepers.org

    Paul's Website: https://paulrosolie.com

    Mother of God (book): https://amzn.to/3ww2ob1



    PODCAST INFO:

    Podcast website: https://lexfridman.com/podcast

    Apple Podcasts: https://apple.co/2lwqZIr

    Spotify: https://spoti.fi/2nEwCF8

    RSS: https://lexfridman.com/feed/podcast/

    YouTube Full Episodes: https://youtube.com/lexfridman

    YouTube Clips: https://youtube.com/lexclips



    SUPPORT & CONNECT:

    - Check out the sponsors above, it's the best way to support this podcast

    - Support on Patreon: https://www.patreon.com/lexfridman

    - Twitter: https://twitter.com/lexfridman

    - Instagram: https://www.instagram.com/lexfridman

    - LinkedIn: https://www.linkedin.com/in/lexfridman

    - Facebook: https://www.facebook.com/lexfridman

    - Medium: https://medium.com/@lexfridman



    OUTLINE:

    Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time.

    (00:00) - Introduction

    (12:29) - Amazon jungle

    (14:47) - Bushmaster snakes

    (26:13) - Black caiman

    (44:33) - Rhinos

    (47:47) - Anacondas

    (1:18:04) - Mammals

    (1:30:10) - Piranhas

    (1:41:00) - Aliens

    (1:58:45) - Elephants

    (2:10:02) - Origin of life

    (2:23:21) - Explorers

    (2:36:38) - Ayahuasca

    (2:45:03) - Deep jungle expedition

    (2:59:09) - Jane Goodall

    (3:01:41) - Theodore Roosevelt

    (3:12:36) - Alone show

    (3:22:23) - Protecting the rainforest

    (3:38:36) - Snake makes appearance

    (3:46:47) - Uncontacted tribes

    (4:00:11) - Mortality

    (4:01:39) - Steve Irwin

    (4:09:18) - God

    • 4 hr 12 min
    #428 – Sean Carroll: General Relativity, Quantum Mechanics, Black Holes & Aliens

    #428 – Sean Carroll: General Relativity, Quantum Mechanics, Black Holes & Aliens

    Sean Carroll is a theoretical physicist, author, and host of Mindscape podcast. Please support this podcast by checking out our sponsors:

    - HiddenLayer: https://hiddenlayer.com/lex

    - Cloaked: https://cloaked.com/lex and use code LexPod to get 25% off

    - Notion: https://notion.com/lex

    - Shopify: https://shopify.com/lex to get $1 per month trial

    - NetSuite: http://netsuite.com/lex to get free product tour



    Transcript: https://lexfridman.com/sean-carroll-3-transcript



    EPISODE LINKS:

    Sean's Website: https://preposterousuniverse.com

    Mindscape Podcast: https://www.preposterousuniverse.com/podcast/

    Sean's YouTube: https://youtube.com/@seancarroll

    Sean's Patreon: https://www.patreon.com/seanmcarroll

    Sean's Twitter: https://twitter.com/seanmcarroll

    Sean's Instagram: https://instagram.com/seanmcarroll

    Sean's Papers: https://scholar.google.com/citations?user=Lfifrv8AAAAJ

    Sean's Books: https://amzn.to/3W7yT9N



    PODCAST INFO:

    Podcast website: https://lexfridman.com/podcast

    Apple Podcasts: https://apple.co/2lwqZIr

    Spotify: https://spoti.fi/2nEwCF8

    RSS: https://lexfridman.com/feed/podcast/

    YouTube Full Episodes: https://youtube.com/lexfridman

    YouTube Clips: https://youtube.com/lexclips



    SUPPORT & CONNECT:

    - Check out the sponsors above, it's the best way to support this podcast

    - Support on Patreon: https://www.patreon.com/lexfridman

    - Twitter: https://twitter.com/lexfridman

    - Instagram: https://www.instagram.com/lexfridman

    - LinkedIn: https://www.linkedin.com/in/lexfridman

    - Facebook: https://www.facebook.com/lexfridman

    - Medium: https://medium.com/@lexfridman



    OUTLINE:

    Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time.

    (00:00) - Introduction

    (11:03) - General relativity

    (23:22) - Black holes

    (28:11) - Hawking radiation

    (32:19) - Aliens

    (41:15) - Holographic principle

    (1:05:38) - Dark energy

    (1:11:38) - Dark matter

    (1:20:34) - Quantum mechanics

    (1:41:56) - Simulation

    (1:44:18) - AGI

    (1:58:42) - Complexity

    (2:11:25) - Consciousness

    (2:20:32) - Naturalism

    (2:24:49) - Limits of science

    (2:29:34) - Mindscape podcast

    (2:39:29) - Einstein

    • 2 hr 44 min
    #427 – Neil Adams: Judo, Olympics, Winning, Losing, and the Champion Mindset

    #427 – Neil Adams: Judo, Olympics, Winning, Losing, and the Champion Mindset

    Neil Adams is a judo world champion, 2-time Olympic silver medalist, 5-time European champion, and often referred to as the Voice of Judo. Please support this podcast by checking out our sponsors:

    - ZipRecruiter: https://ziprecruiter.com/lex

    - Eight Sleep: https://eightsleep.com/lex to get special savings

    - MasterClass: https://masterclass.com/lexpod to get 15% off

    - LMNT: https://drinkLMNT.com/lex to get free sample pack

    - NetSuite: http://netsuite.com/lex to get free product tour



    Transcript: https://lexfridman.com/neil-adams-transcript



    EPISODE LINKS:

    Neil's Instagram: https://instagram.com/naefighting

    Neil's YouTube: https://youtube.com/NAEffectiveFighting

    Neil's TikTok: https://tiktok.com/@neiladamsmbe

    Neil's Facebook: https://facebook.com/NeilAdamsJudo

    Neil's X: https://x.com/NeilAdamsJudo

    Neil's Website: https://naeffectivefighting.com

    Neil's Podcast: https://naeffectivefighting.com/podcasts/the-dojo-collective-podcast

    A Life in Judo (book): https://amzn.to/4d3DtfB

    A Game of Throws (audiobook): https://amzn.to/4aA2WeJ



    PODCAST INFO:

    Podcast website: https://lexfridman.com/podcast

    Apple Podcasts: https://apple.co/2lwqZIr

    Spotify: https://spoti.fi/2nEwCF8

    RSS: https://lexfridman.com/feed/podcast/

    YouTube Full Episodes: https://youtube.com/lexfridman

    YouTube Clips: https://youtube.com/lexclips



    SUPPORT & CONNECT:

    - Check out the sponsors above, it's the best way to support this podcast

    - Support on Patreon: https://www.patreon.com/lexfridman

    - Twitter: https://twitter.com/lexfridman

    - Instagram: https://www.instagram.com/lexfridman

    - LinkedIn: https://www.linkedin.com/in/lexfridman

    - Facebook: https://www.facebook.com/lexfridman

    - Medium: https://medium.com/@lexfridman



    OUTLINE:

    Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time.

    (00:00) - Introduction

    (09:13) - 1980 Olympics

    (26:35) - Judo explained

    (34:40) - Winning

    (52:54) - 1984 Olympics

    (1:01:55) - Lessons from losing

    (1:17:37) - Teddy Riner

    (1:37:12) - Training in Japan

    (1:52:51) - Jiu jitsu

    (2:03:59) - Training

    (2:27:18) - Advice for beginners

    • 2 hr 35 min
    #426 – Edward Gibson: Human Language, Psycholinguistics, Syntax, Grammar & LLMs

    #426 – Edward Gibson: Human Language, Psycholinguistics, Syntax, Grammar & LLMs

    Edward Gibson is a psycholinguistics professor at MIT and heads the MIT Language Lab. Please support this podcast by checking out our sponsors:

    - Yahoo Finance: https://yahoofinance.com

    - Listening: https://listening.com/lex and use code LEX to get one month free

    - Policygenius: https://policygenius.com/lex

    - Shopify: https://shopify.com/lex to get $1 per month trial

    - Eight Sleep: https://eightsleep.com/lex to get special savings



    Transcript: https://lexfridman.com/edward-gibson-transcript



    EPISODE LINKS:

    Edward's X: https://x.com/LanguageMIT

    TedLab: https://tedlab.mit.edu/

    Edward's Google Scholar: https://scholar.google.com/citations?user=4FsWE64AAAAJ

    TedLab's YouTube: https://youtube.com/@Tedlab-MIT



    PODCAST INFO:

    Podcast website: https://lexfridman.com/podcast

    Apple Podcasts: https://apple.co/2lwqZIr

    Spotify: https://spoti.fi/2nEwCF8

    RSS: https://lexfridman.com/feed/podcast/

    YouTube Full Episodes: https://youtube.com/lexfridman

    YouTube Clips: https://youtube.com/lexclips



    SUPPORT & CONNECT:

    - Check out the sponsors above, it's the best way to support this podcast

    - Support on Patreon: https://www.patreon.com/lexfridman

    - Twitter: https://twitter.com/lexfridman

    - Instagram: https://www.instagram.com/lexfridman

    - LinkedIn: https://www.linkedin.com/in/lexfridman

    - Facebook: https://www.facebook.com/lexfridman

    - Medium: https://medium.com/@lexfridman



    OUTLINE:

    Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time.

    (00:00) - Introduction

    (10:53) - Human language

    (14:59) - Generalizations in language

    (20:46) - Dependency grammar

    (30:45) - Morphology

    (39:20) - Evolution of languages

    (42:40) - Noam Chomsky

    (1:26:46) - Thinking and language

    (1:40:16) - LLMs

    (1:53:14) - Center embedding

    (2:19:42) - Learning a new language

    (2:23:34) - Nature vs nurture

    (2:30:10) - Culture and language

    (2:44:38) - Universal language

    (2:49:01) - Language translation

    (2:52:16) - Animal communication

    • 3 hr
    #425 – Andrew Callaghan: Channel 5, Gonzo, QAnon, O-Block, Politics & Alex Jones

    #425 – Andrew Callaghan: Channel 5, Gonzo, QAnon, O-Block, Politics & Alex Jones

    Andrew Callaghan is the host of Channel 5 on YouTube, where he does street interviews with fascinating humans at the edges of society, the so-called vagrants, vagabonds, runaways, outlaws, from QAnon adherents to Phish heads to O Block residents and much more. Please support this podcast by checking out our sponsors:

    - ShipStation: https://shipstation.com/lex and use code LEX to get 60-day free trial

    - BetterHelp: https://betterhelp.com/lex to get 10% off

    - LMNT: https://drinkLMNT.com/lex to get free sample pack

    - MasterClass: https://masterclass.com/lexpod to get 15% off

    - AG1: https://drinkag1.com/lex to get 1 month supply of fish oil



    Transcript: https://lexfridman.com/andrew-callaghan-transcript



    EPISODE LINKS:

    Channel 5 with Andrew Callaghan: https://www.youtube.com/channel5YouTube

    Andrew's Instagram: https://instagram.com/andreww.me

    Andrew's Website: https://andrew-callaghan.com/

    Andrew's Patreon: https://www.patreon.com/channel5

    This Place Rules: https://www.hbo.com/movies/this-place-rules

    Books Mentioned:

    On the Road: https://amzn.to/4aLPLHi

    Siddhartha: https://amzn.to/49rthKz



    PODCAST INFO:

    Podcast website: https://lexfridman.com/podcast

    Apple Podcasts: https://apple.co/2lwqZIr

    Spotify: https://spoti.fi/2nEwCF8

    RSS: https://lexfridman.com/feed/podcast/

    YouTube Full Episodes: https://youtube.com/lexfridman

    YouTube Clips: https://youtube.com/lexclips



    SUPPORT & CONNECT:

    - Check out the sponsors above, it's the best way to support this podcast

    - Support on Patreon: https://www.patreon.com/lexfridman

    - Twitter: https://twitter.com/lexfridman

    - Instagram: https://www.instagram.com/lexfridman

    - LinkedIn: https://www.linkedin.com/in/lexfridman

    - Facebook: https://www.facebook.com/lexfridman

    - Medium: https://medium.com/@lexfridman



    OUTLINE:

    Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time.

    (00:00) - Introduction

    (08:53) - Walmart

    (10:24) - Early life

    (29:14) - Hitchhiking

    (40:49) - Couch surfing

    (49:50) - Quarter Confessions

    (1:07:33) - Burning Man

    (1:22:44) - Protests

    (1:28:17) - Jon Stewart

    (1:31:13) - Fame

    (1:44:31) - Jan 6

    (1:48:15) - QAnon

    (1:54:00) - Alex Jones

    (2:10:52) - Politics

    (2:20:29) - Response to allegations

    (2:37:28) - Channel 5

    (2:43:04) - Rap

    (2:44:51) - O Block

    (2:48:47) - Crip Mac

    (2:51:59) - Aliens

    • 2 hr 59 min

Customer Reviews

4.7 out of 5
10.7K Ratings

10.7K Ratings

Louise in idaho ,

Support for Jungle Keepers

Want to “save” the planet? Donations to this cause is a great start! Thanks to Lex for sharing this adventure with us!!

arthurofbabylon ,

Great concept. Terrible execution.

The general idea of this podcast (a conversant layman asking an expert questions) is great.

But the execution is terrible. The interviewer really needs to grow a spine and ask some challenging, thought-provoking questions.

It feels like a fairy tail: expert comes on, they present their field, interviewer asks questions, and everything is rosy.

But when you want substance, the interviewer falters. I think he is afraid of offending the guest? Whatever the case, I’m terribly disappointed by the lack of questions and challenge the host brings to the conversation.

I understand the host is a real host. They’re responsible for what unfolds. If a guest starts saying rubbish, it is the host’s responsibility to challenge them or bring the conversation back to reality. I’m unsure why Lex doesn’t think this responsibility applies to him.

If the guest is about to open a metaphorical can of worms, the host should welcome that and bring it into the conversation. I want to hear about it! I know that means the host (Lex) has to say ask some tough questions, but come on, does he think his guests have weak, reactive egos?

The host should be more vigorously oriented to getting at the fundamentals. Letting smooth-talkers slide through the podcast is weak, and leaves me looking for a conversation with real, vigorous thinkers.

ming de merciless ,

Hamas war debate

This is an excellent podcast. Norman Finkelstein, braggart and pedant extraordinaire, his voice, the aural equivalent of metal shavings in one’s underwear, cannot entirely destroy this discussion of thoughtful men on a very complicated subject.

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