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PODCAST

Razib Khan"s Unsupervised Learning

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

science life sciences

All Episodes

01:28:07

Peter Nimitz: the story of the Slavs

Razib Khan"s Unsupervised Learning ·

2026/02/12

On this episode of Unsupervised Learning Razib talks to Peter Nimitz about the rise of the Slavs. His Substack, titled Nemets, explores world history through the lenses of archaeology, paleogenetics, and historical processes. His writing focuses on "deep history," such as the Bronze Age Collapse and the migration of Indo-European peoples, while connecting these ancient shifts to broader patterns of civilizational rise and fall. Nimitz often integrates technical data from genetics and climate science

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01:00:24

Jesse Arm: Gen Z Republicans and their views

Razib Khan"s Unsupervised Learning ·

2026/02/06

On this episode Razib talks to Jesse Arm, VP of external affairs at the Manhattan Institute. His writing and commentary have appeared in the New York Times, Wall Street Journal, The Atlantic, New York Post, Fox News, City Journal and Jerusalem Post. Arm graduated with honors from the University of Michigan, where he majored in international political economy, and studied language and international affairs at Tel Aviv University. He has also worked for Senator Tom Cotton and Representative Dan

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52:09

Davide Piffer: how Europeans became white

Razib Khan"s Unsupervised Learning ·

2026/01/30

On this episode of Unsupervised Learning, Razib talks to Davide Piffer, whose Substack examines genetic differences between populations. Piffer has been publishing on human genetic variation for a decade, and recently started a Substack, Piffer Pilfer, exploring similar issues in detail over a series of posts. Razib asks Piffer about the difficulties in analyzing polygenic scores from quantitative traits in ancient DNA samples. How does he do in technical terms, from genome quality to imputation to

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01:14:10

Aneil Mallavarapu: why machine intelligence will...

Razib Khan"s Unsupervised Learning ·

2026/01/23

Today Razib talks to Aneil Mallavarapu, a scientist and technology leader based in Austin, Texas, whose career bridges the fields of biochemistry, systems biology, and software engineering. He earned his doctorate in Biochemistry and Cell Biology from the University of California, and has held academic positions at Harvard Medical School, where he contributed to the Department of Systems Biology and developed the "Little b" programming language. Mallavarapu has transitioned from academic research

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01:27:13

Richard Hanania: his break with the Right and the...

Razib Khan"s Unsupervised Learning ·

2026/01/16

On this episode Razib, talks to Richard Hanania, a returning guest to the podcast. Hanania holds a Ph.D. from UCLA, a J.D. from the University of Chicago, and an undergraduate degree from CU Boulder in linguistics. He is a regular contributor to the Boston Globe and UnHerd, and has his own newsletter. Hanania is also the author of The Origins of Woke: Civil Rights Law, Corporate America, and the Triumph of Identity Politics. Razib and Hanania talk about his new book Kakistocracy: Why Populism Ends

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01:05:07

Francis Young: Baltic paganism in modern times

Razib Khan"s Unsupervised Learning ·

2026/01/12

On this episode, Razib talks to returning guest, Francis Young, a historian who teaches at Oxford. Young specialises in the history of religion and belief from ancient times to the present day, and provides expert indexes for academic books and translates medieval and early modern Latin. He holds a PhD from Cambridge University and is the author, editor or co-author of over 20 books. On his last visit to the podcast, he discussed his book Pagans in the Early Modern Baltic, an account of the

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01:05:27

Eric Cline: Love, War and Diplomacy, international...

Razib Khan"s Unsupervised Learning ·

2026/01/09

On this episode of Unsupervised Learning, Razib again talks to George Washington University archaeologist Eric Cline. The author of 1177 B.C. - The Year Civilization Collapsed and After 1177 B.C. - The Survival of Civilizations, Cline has a new book out, Love, War, and Diplomacy: The Discovery of the Amarna Letters and the Bronze Age World They Revealed. While 1177 B.C. closed with the end of the first global civilization, that of the Eastern Mediterranean at the end of the Bronze Age, and After

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01:12:28

Shadi Hamid: American power and the post-woke age

Razib Khan"s Unsupervised Learning ·

2025/12/26

On this episode of Unsupervised Learning Razib talks again with Washington Post columnist and repeat guest Shadi Hamid (listen to previous episodes). A native Pennsylvanian of Egyptian ethnic background and Islamic faith, Hamid completed his Ph.D. in politics at Oxford University. He is co-host of the Wisdom of Crowds podcast and website with Damir Marusic, and now the author of his own Substack and a recent book, The Case For American Power. Hamid is also the author of The Problem of Democracy:

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01:56:46

Vishal Ganesan and Anang Mittal: American Hinduism...

Razib Khan"s Unsupervised Learning ·

2025/12/22

On this episode, Razib talks to Vishal Ganesan and Anang Mittal, two Indian-American Hindus who have been thinking about the role of their faith in the present, and past, of the American social landscape. Ganesan is a California-based attorney and writer who focuses on the history, identity, and representation of the Hindu diaspora in the United States. He is best known for his project "Hindoo History" and his writing on the "Frontier Dharma" platform, which attempts to conceptualize what an

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01:02:32

John Hawks and Chris Stringer: Neanderthals,...

Razib Khan"s Unsupervised Learning ·

2025/12/17

On this very special episode, Razib talks to paleoanthroplogists John Hawks and Chris Stringer. Hawks is a paleoanthropologist who has been a researcher and commentator in human evolutionary biology and paleoanthropology for over two decades. With a widely read weblog (now on Substack), a book on Homo naledi, and highly cited scientific papers, Hawks is an essential voice in understanding the origins of our species. He graduated from Kansas State University in 1994 with degrees in French, English,

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01:03:38

Sean Trende: 2025 elections and political...

Razib Khan"s Unsupervised Learning ·

2025/12/14

Today Razib talks to Sean Trende. He is a prominent American political analyst who currently serves as the Senior Elections Analyst for RealClearPolitics, a position he has held since 2010. He is also a Fellow at the American Enterprise Institute (AEI) and a lecturer at The Ohio State University, where he earned his Ph.D. in political science in 2023. Before transitioning to full-time political analysis, Trende practiced law for eight years at firms including Kirkland & Ellis LLP and Hunton &

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01:14:13

Alex Young: IQ, disease and statistical genomics

Razib Khan"s Unsupervised Learning ·

2025/12/09

This week on the Unsupervised Learning Podcast, Razib talks to returning guest Alex Young of UCLA and Herasight. Trained originally as a mathematician, Young studied statistics and computational biology at the University of Cambridge before doing a doctorate in genomic medicine and statistics at the Wellcome Trust Centre for Human Genetics, University of Oxford, under Peter Donnelly. He also worked at deCODE Genetics in Reykjavik and at Oxford with Augustine Kong, developing methods in quantitative

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01:04:52

Zineb Riboua: Zohran Mamdani and Third-Worldism...

Razib Khan"s Unsupervised Learning ·

2025/12/02

Today 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, the National Interest, the Jerusalem Post and Tablet among other outlets. She

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01:27:05

Ed West: visitor from a dying empire

Razib Khan"s Unsupervised Learning ·

2025/11/22

Today Razib talks to Ed West, a British journalist and author. He has served as deputy editor of UnHerd and The Catholic Herald, and has written columns for The Spectator and The Daily Telegraph. He runs the Substack newsletter Wrong Side of History, where he explores culture, politics, and the longue durée of Western history. West is the author of books including Small Men on the Wrong Side of History and The Diversity Illusion, as well as popular-history titles such as 1066 and Before All That. A

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01:41:08

Noah Smith: Japanese and American politics

Razib Khan"s Unsupervised Learning ·

2025/11/18

Today Razib talks to Noah Smith, an American economist-turned-blogger known for his commentary on economics and public policy. His blog, Noahpinion, is one of the most popular on Substack. He earned a PhD in economics at University of Michigan and served as an assistant professor of finance at Stony Brook  University before leaving academia to become a full-time writer. He wrote a column for Bloomberg until 2021, when he turned his focus entirely to independent writing and his Substack newsletter

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01:11:35

Coltan Scrivner: the evolution and psychology of horror

Razib Khan"s Unsupervised Learning ·

2025/11/12

Today, Razib talks to Coltan Scrivner, a behavioral scientist, horror entertainment producer, and author, whose work centers on the psychological and evolutionary roots of our fascination with darkness, horror, and true crime. He is affiliated with the Department of Psychology at Arizona State University. Scrivner also serves as the executive director of the Nightmare in the Ozarks Film Festival and founded the Eureka Springs Zombie Crawl. He has been featured in The New York Times, CNN, The Wall

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01:07:27

Nate Soares: we are doomed (probably)

Razib Khan"s Unsupervised Learning ·

2025/11/04

Today Razib talks to Nate Soares the President of the Machine Intelligence Research Institute (MIRI). He joined MIRI in 2014 and has since authored many of its core technical agendas, including foundational documents like Agent Foundations for Aligning Superintelligence with Human Interests. Prior to his work in AI research, Soares worked as a software engineer at Google. He holds a B.S. in computer science and economics from George Washington University. On this episode they discuss his new

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01:02:47

Alexander Cortes: broscience, health science and...

Razib Khan"s Unsupervised Learning ·

2025/11/01

On this episode of Unsupervised Learning, Razib talks to Alexander Cortes. Cortes is a trainer, fitness influencer and entrepreneur. He is the co-founder, along with his wife, of Ferta, a company that aims to "optimize your reproductive health and conceive naturally." Born and raised in California, Cortes began his career in the fitness industry as a personal trainer in 2010. Over the next few years he expanded his efforts online, writing about fitness and nutrition from a science-informed

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57:07

Kat Rosenfield: after the vibe shift

Razib Khan"s Unsupervised Learning ·

2025/10/25

Today on Unsupervised Learning, Razib talks to Kat Rosenfield. She is an American novelist, journalist, and culture critic known for both her fiction and commentary on contemporary political debates. She began her career in publishing and as a reporter for MTV News before branching out into broader cultural criticism, contributing to outlets such as The New York Times, Wired, Vulture, Reason, and UnHerd. As a novelist, she has written You Must Remember This (2023), No One Will Miss

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01:29:51

Eric Kaufmann: a cultural revolution in winter

Razib Khan"s Unsupervised Learning ·

2025/10/20

Today Razib talks to Eric Kaufmann, a Canadian professor of politics at the University of Buckingham, where he directs the Centre for Heterodox Social Science. He earned his BA from the University of Western Ontario and his MA and PhD from the London School of Economics. Prior to his current role, he held positions at the University of Southampton and Birkbeck, University of London, which he left in October 2023. He is the author of several books, including Whiteshift: Immigration, Populism and the

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289 results

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