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Small-Scale Question Sunday for March 9, 2025

Do you have a dumb question that you're kind of embarrassed to ask in the main thread? Is there something you're just not sure about?

This is your opportunity to ask questions. No question too simple or too silly.

Culture war topics are accepted, and proposals for a better intro post are appreciated.

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The primary limitation is the size of the birth canal. In places where more births are by C-section due to local fads e.g. Brazil, the average skull size of newborns is slowly increasing, or so I have been led to believe. If you had working artificial wombs, therefore, it stands to reason that you could have bigger brained and more capable babies, though presumably with a longer gestation time, similar to elephants.