Human brains rounded into shape over 200,000 years or more
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Ancient humans’ brains slowly but surely became round, scientists say.
![](https://bigthink.com/wp-content/uploads/2021/04/origin-54.jpg?w=920&h=517&crop=1)
Our ancestors first developed humanlike brains 1.7 million years
![](https://old-www.wsu.edu/gened/learn-modules/top_longfor/phychar/images/humans.jpeg/brain.size.jpeg)
The Physical Characteristics of Humans - Brain Size
![](https://evolutionnews.org/wp-content/uploads/2022/08/skeletons.jpg)
Human Brain Shape Has Hardly Changed
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/01/012318_BB_brain_inline_370.gif?resize=300%2C225&ssl=1)
Human brains rounded into shape over 200,000 years or more
![](https://cdn.mos.cms.futurecdn.net/AnwngepET2sEN7rLBSrSSX-1200-80.jpg)
How Evolving Traits Helped Humans Survive Unstable World
![](https://d.ibtimes.com/en/full/2645167/human-brain-evolution.jpg?w=736&f=2fceb274b7188b5529e83ed9e52c2d8a)
Modern Rounded Human Brains An Evolutionary Step Less Than 100,000
Early modern human - Wikipedia
![](https://www.worldhistory.org/img/c/p/1200x627/6425.jpg)
Homo Sapiens - World History Encyclopedia
![](https://www.sciencenews.org/wp-content/uploads/2022/10/sn-square.png)
Human brains rounded into shape over 200,000 years or more
![](https://d2r55xnwy6nx47.cloudfront.net/uploads/2018/01/Smoke_lede1300.jpg)
AMICOR: January 2018
![](https://s3.amazonaws.com/quanta-prod/uploads/2015/11/BrainDensity.png)
How Humans Evolved Supersize Brains
![](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41593-023-01260-4/MediaObjects/41593_2023_1260_Fig1_HTML.png)
A wearable platform for closed-loop stimulation and recording of
Evolution Of The Brain: The First Brains - Episode 1
Early Humans' Brains Were More Apelike than Modern
Intelligence Concept Small Human Brain Skeleton Stock Illustration
BONElike Human Skull Model, Half Transparent & Half Bony- Complete with Brain and Vertebrae
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