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Razib Khan's Unsupervised Learning

May 1, 2026

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...


Jan 30, 2026

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...


Aug 10, 2025

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...



May 11, 2025

Today, 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...