ScienceShot: Don't Eat Me, Sis

Adam Mann
2010-04-20 19:05
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If you're going to die while having sex, make sure it's not with your sister. Male wasp spiders (Argiope bruennichi) are usually eaten by their partners, but if they know that they are mating with a relative—a common problem given that siblings hatch and live near one another—they pull out before being consumed, researchers report tomorrow in Biology Letters. That gives them the chance to mate again—this time hopefully with a non-relative—and produce healthier offspring.

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