Razib Khan’s Content Aggregation Site

A debate about fertility technology, selection and the human future

Today on Unsupervised Learning, Razib talks to John Hawks, 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 …

The restrictionist looks fondly upon Trump’s first half-year in office

Khanversation episode fifty-two

A Cato VP talks about America’s borders and its human capital

  Today Razib talks to Noah Millman. Millman is an American screenwriter and filmmaker, as well as a political columnist and cultural critic based in Brooklyn, New York. He is the film and theater critic for Modern Age; previously he was a c…

  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 …

  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 …

Archaic admixture across the human family tree

Episode fifty-one

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 f…

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 fi…

An old-school blogger on film, politics and culture

Khanversation episode fifty

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 Nethe…

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 af…

The origins of the Fulani people of the Sahel

Khanversation episode forty-nine

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 Cam…

Today 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 migra…