General Discussion
Related: Editorials & Other Articles, Issue Forums, Alliance Forums, Region ForumsHuman brains are smaller than they were 4000 years ago. But why?
Stefan Milo will tell you why. No, possibly why.
Beakybird
(3,333 posts)Last edited Mon May 2, 2022, 09:54 AM - Edit history (1)
Correction, watched the whole video, and much of the shrinkage occurred during the last 3000 years.
Jim__
(14,075 posts)Most of the video seemed to imply that he's talking about a longer time-frame than 3,000 years, and Discover has an article that talks about shrinkage over the last 40,000 years. I'm not sure what's right.
Bucky
(53,998 posts)but with my tiny modern brain
jmbar2
(4,874 posts)True Dough
(17,303 posts)then the average human brain would surely be on par or larger than in the past!
Lovie777
(12,257 posts)also taken in account that the use of brain power is getting less and less, just look at GQP and CRT.
Bucky
(53,998 posts)Just like finger size doesn't correlate with how much you can grab
exboyfil
(17,862 posts)Would be my guess. Cereal based diet is not all that great, but it is so much cheaper as a source of calories (translate less labor intensive). Better to have many more less healthy tribesmen than fewer more healthy ones.
Need to watch episode of course.
Joinfortmill
(14,417 posts)niyad
(113,280 posts)Wounded Bear
(58,648 posts)RainCaster
(10,869 posts)Brains have atrophied due to non use.
Midnight Writer
(21,753 posts)Bucky
(53,998 posts)Ilsa
(61,694 posts)And that's because women have made men too feminized.