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Conversations on genetics, history, politics, books, culture and evolution. Razib Khan's Unsupervised Learning is a Substack publication with tens of thousands of subscribers.

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Daniel Tabin explores the complexities of ancient DNA research, highlighting contamination challenges and significant findings about human migration and population history.
Eric Cline's 'Love, War, and Diplomacy' reveals the complexities of Late Bronze Age international relations and the decipherment of cuneiform, shedding light on ancient power dynamics.
The blog post explores the origins and expansion of Indo-European languages, tracing their roots back to the Corded Ware culture, which descended from the Yamnaya people who mixed with European Neolithic farmers. It discusses the ...
The blog post reviews a recent study published in Cell that utilizes paleogenetics to analyze the remains of victims from the Pompeii eruption in 79 AD. The research challenges long-held beliefs about the identities and relationsh...
In this episode, Razib interviews paleoanthropologists John Hawks and Chris Stringer about recent findings in human evolutionary biology. They discuss new research from Yuxian, China, which enhances our understanding of human morp...
Peter Nimitz explores the deep history of the Slavic peoples, examining their origins, migrations, and cultural significance from ancient times to the present.
Davide Piffer explores the genetic factors behind European pigmentation, highlighting the roles of admixture and natural selection in shaping light complexions over millennia.
Razib Khan's year-end review explores key genetic discoveries in 2025 regarding Indo-European origins and the complexities of human evolution.
Aneil Mallavarapu argues that artificial intelligence cannot achieve consciousness due to fundamental physical principles, raising ethical questions about consciousness in non-intelligent organisms.
The post explores the genetic evolution of human pigmentation in Eurasia, linking historical perceptions of skin color to modern genomic research.
The Indian subcontinent's rich history and diversity are highlighted, showcasing its cultural, linguistic, and genetic complexities alongside the stagnation in genomic research advancements.
A curated list of insightful books for the new year, emphasizing their interdisciplinary relevance and the importance of engaging with complex topics in science and history.
Mike White explores the political polarization in academia and the significance of non-coding DNA in gene regulation and human genomics.
Razib Khan examines the evolutionary roots of sex differences and their profound impact on societal norms and cultural dynamics from a historical perspective.
Francis Young explores the enduring legacy of Baltic paganism and its intricate relationship with Christianity in his latest book, Silence of the Gods.
Exploring historical biographies reveals how individual lives like those of Charlemagne and John Brown shape our understanding of broader societal trends and cultural legacies.
The blog post features a discussion between Razib Khan, Vishal Ganesan, and Anang Mittal about the role of Hinduism and Indian-American identity in the U.S. Ganesan, an attorney and writer, focuses on the representation of the Hin...
The post revisits key podcast episodes discussing cultural evolution and the genetic history of Ice Age Europe, featuring insights from Joe Henrich and Cosimo Posth.
Chris Bradley explores the importance of genome integrity in aging and cancer, highlighting Matter Bio's mission to develop therapies that extend human lifespan amidst regulatory challenges.
Aaron Renn explores the Midwest's socio-economic landscape, the role of management consulting, and the cultural shifts within evangelical Christianity in contemporary America.
Richard Hanania critiques populism and nativism while discussing his book 'Kakistocracy' and the implications of personality traits on success and political discourse.
Shadi Hamid explores his political evolution and advocates for a liberal internationalist vision of American power in his new book, 'The Case For American Power.'
Chris Masterjohn critiques public health communication during COVID-19 while emphasizing the importance of mitochondrial health and nutrition in modern disease management.
Jesse Arm discusses Gen Z Republicans' economic anxieties, entrepreneurial mindset, and the influence of social media on their political views and preferences.