Question for ev bio people about the handicap principle in sexual selection.pic.twitter.com/DWVJi864Ez
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@KevinSimler@adamdangelo how else would you signal fitness? nature is cruel & horrible
@sarahdoingthing @adamdangelo Facial symmetry is a signal of a strong immune system(?), but isn't costly to carry around. Just hard to fake.
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@KevinSimler@adamdangelo yup see previous link - it's possible but not universal, as in human economic systems -
@sarahdoingthing@adamdangelo So...do straight up "make life harder (for males)"-type handicaps exist? Or only liar-prevention handicaps? - 12 more replies
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