@St_Rev I read that creepy placenta-like things have evolved in diverse taxa of fish that normally don't have them
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@sarahdoingthing The placental arms race seems to be extra-horrific in humans, dunno why. -
@St_Rev complicated mating structures? high paternal investment with social monogamy + cheating -
@sarahdoingthing brain growth -> ultra high risk of pregnancy vs. strong selection for bigger heads?
End of conversation
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. Banned in Sweden. SubGenius, Zhuangist, white-hat troll. Defrocked mathematician. Brain problems.