PODCAST

Razib Khan"s Unsupervised Learning

Razib Khan

Conversations about science, culture, and current affairs www.razibkhan.com

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14:47

Claire Lehmann: after the Intellectual Dark Web

Razib Khan"s Unsupervised Learning ·

2025/06/29

This is a free preview of a paid episode. To hear more, visit www.razibkhan.comOn 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 found the online magazine Quillette to reflect a more traditionally pro-reason and pro-evidence-based

15:08

Nathan Cofnas: Judaism's group evolutionary strategy...

Razib Khan"s Unsupervised Learning ·

2025/06/20

This is a free preview of a paid episode. To hear more, visit www.razibkhan.comOn 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 University, and his doctorate in philosophy at the University of Oxford. His Substack is here.First, they

15:05

Steve Hsu: China's inevitable rise and America's...

Razib Khan"s Unsupervised Learning ·

2025/06/13

This is a free preview of a paid episode. To hear more, visit www.razibkhan.comToday Razib talks to repeat guest Steve Hsu about China, a topic with so many currently relevant dimensions gIven the PRC’s clear emergence as an economic, military and political rival to the US. Hsu is a Caltech‑trained theoretical physicist who migrated from black holes to big data, co‑invented privacy tech at SafeWeb, helped found the biotech company Genomic Prediction, all while remaining a prominent public voice on

15:05

David Gress: Plato and NATO 25 years later

Razib Khan"s Unsupervised Learning ·

2025/06/06

This is a free preview of a paid episode. To hear more, visit www.razibkhan.comToday Razib talks to David  Gress, a Danish historian. The son of an American literary scholar and a Danish writer, he grew up in Denmark, read Classics at Cambridge, and then earned a Ph.D. in medieval history from Bryn Mawr College in the US in 1981. During a fellowship form 1982-1992 at Stanford University’s Hoover Institution, he published on Cold‑War strategy, German political culture, and Nordic security. He has

29:54

Ethan Strauss: sports and the end of the culture wars

Razib Khan"s Unsupervised Learning ·

2025/05/30

This is a free preview of a paid episode. To hear more, visit www.razibkhan.comOn this episode of the Unsupervised Learning podcast, Razib welcomes back Ethan Strauss, a writer who has covered sports and culture for the past decade, including in the book The Victory Machine: The Making and Unmaking of the Warriors Dynasty. More recently his writing is to be found at his Substack, House of Strauss, which is notable for offering a candid take on the cross-pollination between broader culture and

10:02

Manvir Singh: the shamanic roots of all religion

Razib Khan"s Unsupervised Learning ·

2025/05/23

This is a free preview of a paid episode. To hear more, visit www.razibkhan.comToday Razib talks to Manvir Singh about shamanism, religion and anthropology. Singh is an assistant professor of anthropology at the University of California, Davis. An artist and essayist, he is also now a regular contributor to The New Yorker. His academic interests lie in explaining why most human societies, from preliterate foragers to urbanites, develop cultural phenomena like “witchcraft, origin myths, property

14:55

Noah Carl and Bo Winegard: probing the intellectual...

Razib Khan"s Unsupervised Learning ·

2025/05/16

This is a free preview of a paid episode. To hear more, visit www.razibkhan.comOn this episode of Unsupervised Learning, Razib talks to Bo Winegard and Noah Carl, the editors behind the online publication Aporia Magazine, founded in 2022. Winegard and Carl are both former academics. Winegard has a social psychology Ph.D. from Florida State University, and was an assistant professor at Marietta College. He was an editor at Quillette before moving to Aporia. Carl earned his Ph.D. in sociology from

15:01

Tim Lee: 2025 and the driverless car revolution

Razib Khan"s Unsupervised Learning ·

2025/05/09

This is a free preview of a paid episode. To hear more, visit www.razibkhan.comToday Razib talks to Tim Lee, a previous guest on Unsupervised Learning. Lee hosts Understanding AI. Lee covered tech more generally for a decade for Washington Post, Ars Technica, and Vox.com. He has a master's degree in computer science from Princeton. Lee writes extensively about general AI issues, from Deep Research’s capabilities to the state of large language models. But one of the major areas he has focused on is

9:59

Bonus monologue: Finland as Germania

Razib Khan"s Unsupervised Learning ·

2025/05/07

This is a free preview of a paid episode. To hear more, visit www.razibkhan.comThis podcast accompanies my post Germans are from Finland, Finns are from Yakutia.The two preprints at the heart of this post are, Postglacial genomes from foragers across Northern Eurasia reveal prehistoric mobility associated with the spread of the Uralic and Yeniseian languages and Steppe Ancestry in Western Eurasia and the Spread of the Germanic Languages.

15:06

Laura Spinney: rise of the proto-Indo-Europeans

Razib Khan"s Unsupervised Learning ·

2025/05/01

This is a free preview of a paid episode. To hear more, visit www.razibkhan.comToday Razib talks to Laura Spinney, Paris-based British author of the forthcoming Proto: How One Ancient Language Went Global. A science journalist, translator and author of both fiction and non-fiction, she has written for Nature, National Geographic, The Economist, New Scientist, and The Guardian. Spinney is the author of two novels, Doctor and The Quick, and a collection of oral history in French from Lausanne entitled

5:07

Bonus monologue: man the hybrid monster

Razib Khan"s Unsupervised Learning ·

2025/04/27

This is a free preview of a paid episode. To hear more, visit www.razibkhan.comToday, Razib talks about a new paper, A structured coalescent model reveals deep ancestral structure shared by all modern humans:Understanding the history of admixture events and population size changes leading to modern humans is central to human evolutionary genetics. Here we introduce a coalescence-based hidden Markov model, cobraa, that explicitly represents an ancestral population split and rejoin, and demonstrate

30:06

John Sailer: a time of troubles in higher education

Razib Khan"s Unsupervised Learning ·

2025/04/26

This is a free preview of a paid episode. To hear more, visit www.razibkhan.comOn this episode of the podcast Razib talks to John Sailer. Sailer is currently the director of higher education policy and a senior fellow at the Manhattan Institute. He covers issues of academic freedom, free speech, and ideological capture in higher education. Sailer has written for the Wall Street Journal, the Free Press and Tablet Magazine. Sailer holds a master’s degree in philosophy and education from Columbia

30:14

Jacob Shell: academia must diversify or die

Razib Khan"s Unsupervised Learning ·

2025/04/18

This is a free preview of a paid episode. To hear more, visit www.razibkhan.comOn this episode of Unsupervised Learning Razib talks to Jacob Shell. Shell is a professor of geography at Temple University and author of Transportation and Revolt: Pigeons, Mules, Canals, and the Giants of the Monsoon Forest: Living and Working with Elephants. Educated at Columbia and Syracuse universities, Shell is active on social media, where he comments extensively on the politicization of the academy.The

30:07

Matt Welch: from blog pioneer to podcasting mainstay

Razib Khan"s Unsupervised Learning ·

2025/04/10

This is a free preview of a paid episode. To hear more, visit www.razibkhan.comOn this episode of Unsupervised Learning Razib talks to Matt Welch. He co-founded the Prague-based newspaper Prognosis in the early 1990’s and later worked as an opinion section editor for the Los Angeles Times. From 2008-2016, Welch served as editor-in-chief of Reason magazine, where he currently holds the position of editor-at-large. He co-authored The Declaration of Independents: How Libertarian Politics Can Fix What's

14:59

Bonus monologue: ancient North Africans and the Green...

Razib Khan"s Unsupervised Learning ·

2025/04/08

This is a free preview of a paid episode. To hear more, visit www.razibkhan.comOn this episode of Unsupervised Learning Razib comments on a new paper in Nature, Ancient DNA from the Green Sahara reveals ancestral North African lineage. Here is the abstract:Although it is one of the most arid regions today, the Sahara Desert was a green savannah during the African Humid Period (AHP) between 14,500 and 5,000 years before present, with water bodies promoting human occupation and the spread of

20:04

Andrew Song: cooling the planet with technology

Razib Khan"s Unsupervised Learning ·

2025/04/04

This is a free preview of a paid episode. To hear more, visit www.razibkhan.comOn this episode of Unsupervised Learning, Razib talks to Andrew Song, co-founder of Make Sunsets. An NYU graduate with a degree in economics, Song was a member of the Y Combinator class of winter 2016. Before becoming a founder, Song worked at firms involved in data analytics and artificial intelligence. A repeat attendee at the Founders Fund “Hereticon” conference, Song’s company has been profiled IEEE Spectrum, The New

25:05

Zineb Riboua: realism in foreign policy in 2025

Razib Khan"s Unsupervised Learning ·

2025/03/29

This is a free preview of a paid episode. To hear more, visit www.razibkhan.comToday on Unsupervised Learning Razib talks to Zineb Riboua, a research fellow and program manager of Hudson Institute’s Center for Peace and Security in the Middle East. She specializes in Chinese and Russian involvement in the Middle East, the Sahel, and North Africa, great power competition in the region, and Israeli-Arab relations. Riboua’s pieces and commentary have appeared in the Wall Street Journal, Foreign Policy,

25:04

Mark Lutter: charter cities and the urban future

Razib Khan"s Unsupervised Learning ·

2025/03/21

This is a free preview of a paid episode. To hear more, visit www.razibkhan.comOn this episode of Unsupervised Learning Razib talks to Mark Lutter. Lutter is an urban development expert known for his work on charter cities—new urban areas aimed at fostering economic growth and progress. He is the Founder and Executive Chairman of the Charter Cities Institute, a nonprofit dedicated to building the ecosystem for charter cities, as well as the CEO of Braavos Cities, a charter city development company

15:09

Graeme Wood: Germany's turn to the right

Razib Khan"s Unsupervised Learning ·

2025/03/13

This is a free preview of a paid episode. To hear more, visit www.razibkhan.comOn this episode of Unsupervised Learning, Razib talks to Graeme Wood. Wood is a staff writer at The Atlantic, where he usually covers geopolitics and international affairs. His work ranges from a profile of Richard Spencer, the American white nationalist public figure with whom he went to high school with, to the Islamic State. He is the author of The Way of the Strangers: Encounters with the Islamic State. Wood grew up

29:59

Leighton Woodhouse: against the rise of the anti-woke...

Razib Khan"s Unsupervised Learning ·

2025/03/06

This is a free preview of a paid episode. To hear more, visit www.razibkhan.comOn this episode of Unsupervised Learning Razib welcomes Leighton Akira Woodhouse back to the podcast for his third visit. Woodhouse is a journalist and documentarian based in Oakland, California. He grew up in Berkeley, and was a doctoral student in Sociology at UC Berkeley. After leaving academia he contributed to outlets like The Intercept, UnHerd and The Nation, before starting his own Substack, Social Studies. He

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Razib Khan"s Unsupervised Learning

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