4 ms·
200k years just isn't much time for significant evolutionary changes considering the human population "reset" a couple times to very very small numbers.
by komali2 7mo 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.
- naasking 7mo agoReich'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 https://www.biorxiv.org/content/10.1101/2024.09.14.613021v1 The advent of agriculture and civilization had many powerful selection effects.
- sinenomine 7mo agoIf 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.