Fertility norms and cultural evolution http://family-studies.org/who-decides-when-to-stop-how-couples-resolve-conflicts-over-childbearing/ …
@JayMan471 what's the best good-faith rejection of multilevel selection you've seen?
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@JayMan471 (long/technical is ok of course)Thanks. Twitter will use this to make your timeline better. UndoUndo
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@JayMan471 thank you!
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