Comment by komali2
3 days ago
200k years just isn't much time for significant evolutionary changes considering the human population "reset" a couple times to very very small numbers.
3 days ago
200k years just isn't much time for significant evolutionary changes considering the human population "reset" a couple times to very very small numbers.
Reich's lab actually found evidence of meaningful genetic changes that improved intelligence over the past 10,000 years, but not so much prior to that:
https://www.biorxiv.org/content/10.1101/2024.09.14.613021v1
The advent of agriculture and civilization had many powerful selection effects.
If you read the papers and analyze the historical DNA, you can make case for significant PGS shifts in populations across a few centuries.
People really haven't processed this fact and its implications just yet.