marginalium noun

the notes one makes in the margins.

A short note on

only 1,280 reproductive human ancestors once roamed earth, gene study suggests

June 15, 2024

source: gizmodo.com

by Dorian Minors

I did brain science at Cambridge. Now I'm a behaviour science professor. Read my shit.

The genetic bottleneck in humans.

The bottleneck occurred between 813,000 years ago and 930,000 years ago, and reduced an ancestral human species to less than 1,300 breeding individuals. The issue persisted for 117,000 years, and aligns with a chronological gap in the African and Eurasian human fossil records in that period.

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