Lex Fridman Podcast
Long-form conversations with high-profile figures in science, technology, and politics, often running for hours and going deep.
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Most watched all time
- 1 Physicist explains the nature of time: It's a mind-blowing mystery | Don Lincoln and Lex Fridman 518,000 views
- 2 Khabib vs Conor McGregor fight: Khabib on why it was the biggest fight of all time 183,000 views
- 3 Secret to 10x productivity with AI agents: Why most companies fail | DHH and Lex Fridman 114,581 views
- 4 Khabib on Daniel Cormier: He is one of the greatest fightersof all time | Khabib Nurmagomedov 105,000 views
- 5 The Roman tax system that held an empire together for 1,000 years | Anthony Kaldellis 99,000 views
- 6 Persian Empire vs Roman Empire: The war that destroyed both empires | Anthony Kaldellis 99,000 views
- 7 Khabib on genius of Javier Mendez as a coach | Khabib Nurmagomedov and Lex Fridman 91,000 views
- 8 Dark matter explained by physicist | Don Lincoln and Lex Fridman 82,000 views
- 9 Khabib on meeting Fedor Emelianenko | Khabib Nurmagomedov and Lex Fridman 82,000 views
- 10 Is dark matter real? - Why can't we find it? - physicist explains | Don Lincoln and Lex Fridman 81,000 views
Latest episodes
- DHH on future of human civilization | Lex Fridman Podcast Clips Sep 4, 2026
- Opus 4.5 changed everything | DHH and Lex Fridman Sep 4, 2026
- The best food in the world | DHH and Lex Fridman Sep 3, 2026
- The best programming language for AI (it's English) | DHH and Lex Fridman Sep 3, 2026
- Is AI killing GitHub? | DHH and Lex Fridman Sep 3, 2026
125 episodes tracked · 5 guests covered · 11 pieces published, latest 2026-09-03
All Lex Fridman Podcast coverage
DHH says Omarchy's growth went vertical when it made Linux agent-first
The Rails creator argues that the Linux crowd’s hostility to AI is exactly why Omarchy can break out.
DHH says one person can now build the 5 percent of Premiere or Photoshop they need on Linux
The Basecamp co-founder’s real claim isn’t that every solo coder is Adobe now, it’s that cloning the part you actually use has become weirdly plausible.
Don Lincoln says galaxies with no dark matter are strong evidence dark matter is real
The physicist’s best pro dark matter argument is wonderfully backward: the missing stuff looks more real when you can find places where it’s missing.
Don Lincoln says the speed of light comes out of Maxwell's equations for electricity and magnetism
The Fermilab physicist makes the old physics story feel properly weird again, then uses it to defend basic research from the eternal question, what good is this?
Khabib Nurmagomedov says Islam Makhachev can overtake Jon Jones, Demetrious Johnson, and Georges St-Pierre, but time is running out
Khabib’s praise for Makhachev comes with the most Dagestani compliment possible: you can become the greatest ever, now hurry up because your body is betraying you.
Don Lincoln says we exist because the early universe had one extra matter particle per billion antimatter particles
The Fermilab physicist framed existence as the leftover scrap from a cosmic matter-antimatter wipeout, then admitted nobody knows what caused the imbalance.
Anthony Kaldellis says Byzantine Greek fire came in hand grenade form
The historian’s best detail on Lex Fridman was not just that Greek fire burned on water, but that the Romans apparently bottled the stuff and threw it at siege engines.
Don Lincoln says quantum field theory predicts dark energy 10^120 times too large
The Fermilab physicist puts a number on the vacuum catastrophe, and the number is so stupidly large it makes ordinary scientific failure look dainty.
Anthony Kaldellis says the Plague of Justinian probably did not kill half the Roman Empire
The historian's case is brutally practical: if half the empire died, why did Justinian's wars, taxes, and courts keep running?
Anthony Kaldellis says Roman families voluntarily castrated their sons to place them at the emperor's court
The Byzantine historian explains how castration was sometimes a family's smartest power move, not just a cruelty imposed on slaves.
Don Lincoln Wants You to Understand Why Time Is Weirder Than You Think
A Fermilab physicist walks Lex Fridman through the history of spacetime, and the most interesting part is what nobody actually understands.
Don Lincoln Has Spent 30 Years Looking for Dark Matter and Has Absolutely No Idea What It Is
The Fermilab physicist makes a compelling case for something he cannot find, cannot name, and cannot stop thinking about.