Follow-up q, why is parasitism so rare phenomenon in mammals? (vampire bats are the only clear example, human candidates are all debatable)
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@sarahdoingthing@emareaf Oh yeah, I read that research on how fetus and mom compete in an arm's race, very cool stuff. 9 month cold war. -
@vgr@sarahdoingthing@emareaf I'm 8 months and just learned this, it's kind of terrifying. - 1 more reply
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@sarahdoingthing@vgr@emareaf also interesting how endogenous retroviruses are expressed in the placenta and facilitate the detente.Thanks. Twitter will use this to make your timeline better. UndoUndo
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