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Lex Fridman Podcast

Lex Fridman Podcast

Written by: Lex Fridman
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Conversations about science, technology, history, philosophy and the nature of intelligence, consciousness, love, and power. Lex is an AI researcher at MIT and beyond. Philosophy Science Social Sciences
Episodes
  • #488 – Infinity, Paradoxes that Broke Mathematics, Gödel Incompleteness & the Multiverse – Joel David Hamkins
    Dec 31 2025

    Joel David Hamkins is a mathematician and philosopher specializing in set theory, the foundations of mathematics, and the nature of infinity, and he’s the #1 highest-rated user on MathOverflow. He is also the author of several books, including Proof and the Art of Mathematics and Lectures on the Philosophy of Mathematics. And he has a great blog called Infinitely More.
    Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep488-sc
    See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc.

    Transcript:
    https://lexfridman.com/joel-david-hamkins-transcript

    CONTACT LEX:
    Feedback – give feedback to Lex: https://lexfridman.com/survey
    AMA – submit questions, videos or call-in: https://lexfridman.com/ama
    Hiring – join our team: https://lexfridman.com/hiring
    Other – other ways to get in touch: https://lexfridman.com/contact

    EPISODE LINKS:
    Joel’s X: https://x.com/JDHamkins
    Joel’s Website: https://jdh.hamkins.org
    Joel’s Substack: https://www.infinitelymore.xyz
    Joel’s MathOverflow: https://mathoverflow.net/users/1946/joel-david-hamkins
    Joel’s Papers: https://jdh.hamkins.org/publications
    Joel’s Books:
    Lectures on the Philosophy of Mathematics: https://amzn.to/3MThaAt
    Proof and the Art of Mathematics: https://amzn.to/3YACc9A

    SPONSORS:
    To support this podcast, check out our sponsors & get discounts:
    Perplexity: AI-powered answer engine.
    Go to https://www.perplexity.ai/
    Fin: AI agent for customer service.
    Go to https://fin.ai/lex
    Miro: Online collaborative whiteboard platform.
    Go to https://miro.com/
    CodeRabbit: AI-powered code reviews.
    Go to https://coderabbit.ai/lex
    Chevron: Reliable energy for data centers.
    Go to https://chevron.com/power
    Shopify: Sell stuff online.
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    LMNT: Zero-sugar electrolyte drink mix.
    Go to https://drinkLMNT.com/lex
    MasterClass: Online classes from world-class experts.
    Go to https://masterclass.com/lexpod

    OUTLINE:
    (00:00) – Introduction
    (01:58) – Sponsors, Comments, and Reflections
    (15:40) – Infinity & paradoxes
    (1:02:50) – Russell’s paradox
    (1:15:57) – Gödel’s incompleteness theorems
    (1:33:28) – Truth vs proof
    (1:44:52) – The Halting Problem
    (2:00:45) – Does infinity exist?
    (2:18:19) – MathOverflow
    (2:22:12) – The Continuum Hypothesis
    (2:31:58) – Hardest problems in mathematics
    (2:41:25) – Mathematical multiverse
    (3:00:18) – Surreal numbers
    (3:10:55) – Conway’s Game of Life
    (3:13:11) – Computability theory
    (3:23:04) – P vs NP
    (3:26:21) – Greatest mathematicians in history
    (3:40:05) – Infinite chess
    (3:58:24) – Most beautiful idea in mathematics

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    Less than 1 minute
  • #487 – Irving Finkel: Deciphering Secrets of Ancient Civilizations & Flood Myths
    Dec 12 2025

    Irving Finkel is a scholar of ancient languages and a longtime curator at the British Museum, renowned for his expertise in Mesopotamian history and cuneiform writing. He specializes in reading and interpreting cuneiform inscriptions, including tablets from Sumerian, Akkadian, Babylonian, and Assyrian contexts. He became widely known for studying a tablet with a Mesopotamian flood story that predates the biblical Noah narrative, which he presented in his book “The Ark Before Noah” and in a documentary that involved building a circular ark based on the tablet’s technical instructions.
    Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep487-sc
    See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc.

    Transcript:
    https://lexfridman.com/irving-finkel-transcript

    CONTACT LEX:
    Feedback – give feedback to Lex: https://lexfridman.com/survey
    AMA – submit questions, videos or call-in: https://lexfridman.com/ama
    Hiring – join our team: https://lexfridman.com/hiring
    Other – other ways to get in touch: https://lexfridman.com/contact

    EPISODE LINKS:
    Irving’s Instagram: https://www.instagram.com/drirvingfinkel/
    The Ark Before Noah (book): https://amzn.to/4j2U0DW
    Irving Lectures Playlist: https://www.youtube.com/playlist?list=PLYXwZvOwHjVcFUi9iEqirkXRaCUJdXGha
    British Museum Video Playlist: https://www.youtube.com/playlist?list=PL0LQM0SAx603A6p5EJ9DVcESqQReT7QyK
    British Museum Website: https://www.britishmuseum.org/
    The Great Diary Project: https://thegreatdiaryproject.co.uk/

    SPONSORS:
    To support this podcast, check out our sponsors & get discounts:
    Shopify: Sell stuff online.
    Go to https://shopify.com/lex
    Miro: Online collaborative whiteboard platform.
    Go to https://miro.com/
    Chevron: Reliable energy for data centers.
    Go to https://chevron.com/power
    LMNT: Zero-sugar electrolyte drink mix.
    Go to https://drinkLMNT.com/lex
    AG1: All-in-one daily nutrition drink.
    Go to https://drinkag1.com/lex

    OUTLINE:
    (00:00) – Introduction
    (00:43) – Sponsors, Comments, and Reflections
    (09:53) – Origins of human language
    (15:59) – Cuneiform
    (23:12) – Controversial theory about Göbekli Tepe
    (34:23) – How to write and speak Cuneiform
    (39:42) – Primitive human language
    (41:26) – Development of writing systems
    (42:20) – Decipherment of Cuneiform
    (54:51) – Limits of language
    (59:51) – Art of translation
    (1:05:01) – Gods
    (1:10:25) – Ghosts
    (1:20:13) – Ancient flood stories
    (1:30:21) – Noah’s Ark
    (1:41:44) – The Royal Game of Ur
    (1:54:43) – British Museum
    (2:02:08) – Evolution of human civilization

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    Less than 1 minute
  • #486 – Michael Levin: Hidden Reality of Alien Intelligence & Biological Life
    Nov 30 2025

    Michael Levin is a biologist at Tufts University working on novel ways to understand and control complex pattern formation in biological systems.
    Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep486-sc
    See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc.

    Transcript:
    https://lexfridman.com/michael-levin-2-transcript

    CONTACT LEX:
    Feedback – give feedback to Lex: https://lexfridman.com/survey
    AMA – submit questions, videos or call-in: https://lexfridman.com/ama
    Hiring – join our team: https://lexfridman.com/hiring
    Other – other ways to get in touch: https://lexfridman.com/contact

    EPISODE LINKS:
    Michael Levin’s X: https://x.com/drmichaellevin
    Michael Levin’s Website: https://drmichaellevin.org
    Michael Levin’s Papers: https://drmichaellevin.org/publications/
    – Biological Robots: https://arxiv.org/abs/2207.00880
    – Classical Sorting Algorithms: https://arxiv.org/abs/2401.05375
    – Aging as a Morphostasis Defect: https://pubmed.ncbi.nlm.nih.gov/38636560/
    – TAME: https://arxiv.org/abs/2201.10346
    – Synthetic Living Machines: https://www.science.org/doi/10.1126/scirobotics.abf1571

    SPONSORS:
    To support this podcast, check out our sponsors & get discounts:
    Shopify: Sell stuff online.
    Go to https://shopify.com/lex
    CodeRabbit: AI-powered code reviews.
    Go to https://coderabbit.ai/lex
    LMNT: Zero-sugar electrolyte drink mix.
    Go to https://drinkLMNT.com/lex
    UPLIFT Desk: Standing desks and office ergonomics.
    Go to https://upliftdesk.com/lex
    Miro: Online collaborative whiteboard platform.
    Go to https://miro.com/
    MasterClass: Online classes from world-class experts.
    Go to https://masterclass.com/lexpod

    OUTLINE:
    (00:00) – Introduction
    (00:29) – Sponsors, Comments, and Reflections
    (10:09) – Biological intelligence
    (18:42) – Living vs non-living organisms
    (23:55) – Origin of life
    (27:40) – The search for alien life (on Earth)
    (1:00:44) – Creating life in the lab – Xenobots and Anthrobots
    (1:13:46) – Memories and ideas are living organisms
    (1:27:26) – Reality is an illusion: The brain is an interface to a hidden reality
    (2:13:13) – Unexpected Intelligence in sorting algorithms
    (2:38:51) – Can aging be reversed?
    (2:42:41) – Mind uploading
    (3:01:22) – Alien intelligence
    (3:16:17) – Advice for young people
    (3:22:46) – Questions for AGI

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    Less than 1 minute
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