Geoffrey--Aren't human male brow ridges highly reduced compared to other great apes? And in those species, did they evolve to protect eyeballs from frontal blows?https://twitter.com/primalpoly/status/1065325838055428096 …
We have smaller brow ridges than other great apes, but not nearly as reduced as female human brow ridges are. So presumably there was still some defensive design feature being maintained.
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Probably no one bothered to measure eyebrow ridges in the Soviet Siberian Fox experiment. fwiw, http://www.bbc.com/earth/story/20160912-a-soviet-scientist-created-the-only-tame-foxes-in-the-world … ..
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