Birdwatch Note Rating
2025-01-04 01:36:10 UTC - HELPFUL
Rated by Participant: EFAD4FB514B8A4A7022150C8BB07765B8120611E7CD5A76C9B921256E9F86CF3
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Original Note:
It is true that brain size in humans has historically been limited by birth canal size. https://askananthropologist.asu.edu/stories/babies-birth-and-brains#:~:text=Brain%20size%20at%20birth%20is,known%20as%20the%20birth%20canal. The idea that c-sections will allow for greater brain size in humans is an argument made in scientific papers, for example this one: https://www.pnas.org/doi/full/10.1073/pnas.1612410113#ref-2
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