Razib Khan's Unsupervised Learning

Updated: 10 Aug 2025 • 262 episodes
razib.substack.com

Razib Khan engages a diverse array of thinkers on all topics under the sun. Genetics, history, and politics. See: http://razib.substack.com/

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  On this episode of Unsupervised Learning Razib talks to human geneticist Cesar Fortes-Lima about his paper from earlier this year, Population history and admixture of the Fulani people from the Sahel. Fortes-Lima has a Ph.D. in Biological Anthropology, and his primary research areas include African genetic diversity,

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On this episode of Unsupervised Learning Razib talks to Jack Despain Zhou, executive director of the Center for Educational Progress (CEP). Despain Zhou is a graduate of Western Governors University, and is completing his J.D. at Temple University. A former cryptographic analyst for the US Air Force, Despain Zhou is be

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Razib Khan & Nikolai Yakovenko 02 Aug 2025 • EN

Nikolai Yakovenko: the $200 million AI engineer

On this episode of Unsupervised Learning, in the wake of Elon Musk’s xAI Grok chatbot turning anti-Semitic following a recent update, Razib catches up with Nikolai Yakovenko about the state of AI in the summer of 2025. Nearly three years after their first conversations on the topic, the catch up, covering ChatGPT’s rel

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Today on Unsupervised Learning Razib talks to David van Ofwegen, a philosophy teacher based in Thailand. Razib and Ofwegen first met by chance while he was traveling in the US in 2003. A Dutch national, educated at the University of Leiden in the Netherlands and then the University of Hawaii, specializing in the philos

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Razib Khan & Claire Lehmann 27 Jul 2025 • EN

Claire Lehmann: after the Intellectual Dark Web

On this episode of Unsupervised Learning Razib talks to returning guest Claire Lehmann. Lehmann has an undergraduate degrees in psychology and English from the University of Adelaide. She was enrolled in a graduate program in psychology, but left it after becoming disillusioned with moral relativism, she went on to fou

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On this episode of Unsupervised Learning Razib talks to philosopher of science Nathan Cofnas, whose specialty is biology and ethics. An American, Cofnas is currently a Leverhulme Early Career Fellow in the Faculty of Philosophy at the University of Cambridge. He earned his Bachelor of Arts in Philosophy from Columbia U

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