Razib Khan's Unsupervised Learning

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

  1. 58 MIN AGO

    Gregory Cochran: 15 years after The 10,000 Year Explosion

    On this episode of Unsupervised Learning, Razib talks to physicist Gregory Cochran. Cochran is best known for his work in human evolution, often at the intersection of biology, anthropology, and history. Trained in physics, he later turned to population genetics and became widely known through collaborations with researchers like Henry Harpending, producing influential but controversial work on recent human evolution, including the idea that natural selection has accelerated in the Holocene. Cochran has also been a prominent public intellectual, co-authoring the book The 10,000 Year Explosion: How Civilization Accelerated Human Evolution. He writes at the blog West Hunter. First, Razib and Cochran examine the controversy surrounding Ancient DNA reveals pervasive directional selection across West Eurasia, including Davide Piffer's complaint that the authors did not cite his work. Then, they review chapter-by-chapter the arguments in The 10,000 Year Explosion, from Cochran and John Hawks' prediction that Neanderthals likely admixed with modern humans, to the importance of agriculture in driving adaptation in human beings and the ecological context of the increase in Ashkenazi intelligence.

    2h 9m

  2. 6 DAYS AGO

    Russ Greene: the rise of Total Boomer Luxury Communism

    On this episode of Unsupervised Learning Razib talks to Russ Greene, who promoted the idea of "Total Boomer Luxury Communism." Greene currently serves as the Executive Director of the Prime Mover Institute, a public interest organization and think tank he launched to advocate for American energy dominance. Previously, he was a Senior Fellow for the Economy at the Stand Together Trust. In this role, he managed a grantmaking portfolio centered on federal regulatory affairs and strategic litigation, with a strong focus on classical liberalism and critiques of Environmental, Social, and Governance (ESG) corporate frameworks. Greene also directed brand defense and government affairs for CrossFit Inc. He has a Bachelor of Science in International Politics from Georgetown University's Walsh School of Foreign Service. Greene and Razib talk about the fiscal insolvency of Social Security in six years, and the shift of the federal budget to focus on transfers from younger generations to older ones. Greene also talks about the fiscal situation in the developed world more generally, out of the United States, and the general issues engendered by massive pension systems. They discuss the history of past changes to benefits programs for senior citizens, and how it puts the squeeze on all other areas of the budget.

    48 min

  3. 1 MAY

    10,000 years of selection (in Western Eurasia)

    The full episode is available here: https://www.razibkhan.com/p/10000-years-of-selection-in-western Despite the preprint being out for two years, Akbari et al.'s Ancient DNA reveals pervasive directional selection across West Eurasia publication in Nature this week has resulted in a massive media response. Though Razib has discussed this work before, he thought it would be useful to review it, and put it in context in a new monologue.

    41 min

  4. 28 APR

    Matthew Schmitz: Christianity as identity, New Atheism and the Texas of Lord Hanuman

    Today Razib talks to Matthew Schmitz, a journalist who previously served as an editor at the religious journal First Things. He is the cofounder of the online magazine Compact, alongside Edwin Aponte and Sohrab Ahmari. He currently serves as editor of Compact, religion editor of Washington Post Opinions, and co-host of the podcast Against the Grain. Compact His essays on politics and culture have appeared in The New York Times, The Wall Street Journal, and The Claremont Review of Books. A native of O'Neill, Nebraska, Schmitz is a graduate of Princeton University. First, they discuss Schmitz's piece in the Washington Post, The unreligious religiosity of Christian identity politics. Here Schmitz articulates the view that the nationalist-inflected Christianity exemplified by many MAGA and MAGA-adjacent figures is quite different from the sincere but earnest evangelicalism of the older religious right. Rather, it is more performative, more civilizational, and tied into white identity politics. Additionally, it turns away from the philo-Semitism that has been typical of the American religious landscape. Schmitz and Razib also address the rise and fall of the New Atheism over the last 20 years, from the decline of public Christian faith as the center of the body politic, the rationalist critique and the marginalization of both by woke social-justice political theology. They also discuss the difficulties and travails of religious pluralism in the US today, including the tensions caused by the arrival of large numbers of Hindus in places like Texas, where they erect statues to their gods, including the semi-monkey divinity Hanuman.

    1hr 25min

  5. 25 APR

    Megan McArdle: the follies of populism, impending fiscal crisis, and the whirlwind of AI

    On this episode of Unsupervised Learning Razib talks to returning guest Megan McArdle. She is the author of The Up Side of Down: Why Failing Well Is the Key to Success and a Washington Post columnist and op-ed board member. McArdle grew up in New York City and attended Riverdale Country School. She obtained an undergraduate degree in English from University of Pennsylvania and an MBA from the University of Chicago. McArdle's previous positions were at The Economist, The Atlantic and Newsweek. She has a new podcast for the Washington Post, Reasonably Optimistic, and also contributes to Central Air and The Dispatch. Razib and McArdle talk about the follies of populism, left and right, and the damage being done to America in the name of anti-elitism. Razib asks McArdle if there is any way out of a national debt crisis and fiscal insolvency (answer: probably not). Then they discuss the role high cost of living and confiscatory tax rates on the flight of capital and high-income individuals from blue states, and McArdle explains the historical-structural reasons that liberal cities cannot cut back on their top-heavy labor force. Razib and McArdle discuss immigration, trade and globalization, and the short-sightedness of MAGA-populism. Finally, they address AI, McArdle's usage of it, and the promise it has in revolutionizing work and transforming our society.

    1hr 57min

  6. 23 APR

    Monologue: Race - genetics, history and sociology

    You can find the complete monologue here: https://www.razibkhan.com/p/monologue-race-genetics-history-and This is where you will find all the podcasts from Razib Khan's Substack and original video content. On this episode, Razib talks about race, and how to think about this touchy subject.

    34 min

  7. 19 APR

    Monologue: Out-of-Africa is not dead but hybridization lives

    You can find the complete monologue here: https://www.razibkhan.com/p/monlogue-out-of-africa-is-not-dead On this episode Razib talks about where we are when it comes to "Out-of-Africa," Neanderthal origins and the broader state of understanding the dynamics of Homo evolution.

    25 min

  8. 10 APR

    Chris Bradley: better science for longevity

    Today Razib talks to Chris Bradley, a serial entrepreneur and the CEO and Co-Founder of Matter Bio, a company dedicated to preserving genome integrity and addressing the root causes of aging. With a multidisciplinary background spanning neuroscience, cell biology, and computer science, Bradley aims to translate early-stage biotech concepts into practical therapies that can extend human lifespan Matter Bio is focused on diagnosing, quantifying, and repairing the structural variations and mutations that accumulate in human DNA. Bradley has BS is neuroscience and cell biology from Rutgers and a MS in computer science from New York University. The discussion first aims to focus on fundamental science concepts. What is genome integrity, and why does it matter? Bradley reviews the current state of the science to understand how errors creep into our genomic code over our lifetimes, and how it can lead to cancers and other pathologies. He points out that there is a wide variation in lifespan and cancer-risk across animal species, showing that in some ways nature may have "solved" the problem. In addition, Razib reiterates how complex and amazing any genome is, with billions of base pairs, and how incredible it is that our body's repair mechanisms function as well as they do. Bradley then discusses the practical goals of Matter Bio as they begin their first clinical trials. Rather than just focusing on basic science, Bradley's long-term focus is to make a difference in human lives. He discusses how the drastic gain in human life expectancy over the last 150 years already shows that we can increase longevity. Ultimately, Matter Bio aims to push the frontier so that we are less and less surprised by centenarians. Bradley also addresses the reality that a lot of the innovation in biotech right now, including what Matter Bio wants to achieve, is limited by the regulatory state, rather than what can be done in terms of the science or funding environment.

    1hr 6min
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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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