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Razib Khan

Geneticist and writer on human population genetics, history and evolution; author of the Unsupervised Learning newsletter.

5 books on the record · 1 Jan 2026 – 1 Jan 2026

The bar next to each date shows how long ago it was said: 6d is days, 4yr is years.

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From Dawn to Decadence: 1500 to the Present: 500 Years of Western Cultural Life by Jacques Barzun

Few will deeply read as many works of literature across the Western canon as Barzun did, given his exceptionally long career in academia, but From Dawn to Decadence grants the humble reader an extraordinary vantage, thanks to Barzun’s vast corpus of knowledge and his perspicacious observations about cultural currents across half a millennium.

on razibkhan.com · 1 Jan 2026

Everything Razib Khan recommends — not just books — on rcmnd →

That little bar

It says how long ago something was said, so you can tell last month from 2014 without doing the arithmetic. Full and green is recent; it drains and cools as the date gets older, and empties completely at about 6 years.

A striped bar means the date itself is an estimate — the source did not carry an exact one. An entry with no date at all gets no bar.