The Human Brain Has been Getting Smaller Since the Stone Age
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Yep, brains are shrinking.
![](https://images.newscientist.com/wp-content/uploads/2011/09/mg21128311.800-1_300.jpg?crop=4:3,smart&width=1200&height=900&upscale=true)
A brief history of the brain
![](https://www.worldhistory.org/img/c/p/1200x900/6189.jpg)
Stone Age Tools - World History Encyclopedia
![](https://i.imgur.com/jh14KNT.jpg)
Dodecad K7b Ancient West Eurasia [By Eupedia Team]
![](https://www.washingtonpost.com/rf/image_1484w/2010-2019/WashingtonPost/2011/12/04/Health-Environment-Science/Graphics/w-Agingbrain-graphicstory.jpg?t=20170517)
The aging brain - The Washington Post
![](https://i0.wp.com/wtffunfact.com/wp-content/uploads/2024/01/WTF-Fun-Fact-squirrels-brains-get-bigger.jpg?fit=500%2C500&ssl=1&resize=350%2C200)
WTF Fun Fact 12581 - The Shrinking Human Brain
![](https://i.dailymail.co.uk/1s/2021/03/01/23/39925732-9314707-image-a-42_1614641867127.jpg)
Extinction of larger animals led to the human brain doubling in size around 30,000 years ago
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Long-term offenders have different brain structure, study says, Medical research
![](https://www.patrickholford.com/uploads/2020/sapiens-2.jpg)
How we became sapiens - Patrick Holford
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Forever Youth: Outlivers eBook : Barzov, Yuri: : Kindle Store
![](https://img.youtube.com/vi/ADwKwMvI5BY/maxresdefault.jpg)
David Sinclair's new Lifespan podcast - #20 by Rainer - Health
Humans were apex predators for two million ye
![](https://humanorigins.si.edu/sites/default/files/styles/full_width/public/3_5_4_12_KC_l.jpg.webp?itok=NY-_pRO3)
Brains The Smithsonian Institution's Human Origins Program
![](https://images.ctfassets.net/cnu0m8re1exe/4q2sfbMvu5ILAyuiZVnY7A/aa18a1906a4fa71148d408dda9cdef45/shutterstock_2004975074__1_.jpg)
The Daunting Task of Measuring Dinosaur Intelligence
If Modern Humans Are So Smart, PDF, Human
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Delia Merchant (@redrocketweb) / X