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How culture made our brains bigger
- bediger4000 8y agoI'm surprised that C-sections aren't mentioned. It's pretty clear that human head size is limited by birth canal size. Once you have a substantial proportion of C-sections, you've lifted that limitation. Also, one of the co-authors, Joe Henrich, wrote an interesting paper about (grossly simplified) culture and population size. Best reference I could find: https://www.jstor.org/stable/4128416?seq=1#page_scan_tab_contents https://www.jstor.org/stable/4128416?seq=1#page_scan_tab_con...