After sex, female spiders eat their mates. Male spiders are learning how to catapult away - USA TODAY

Scientists discovered a male species of spider may have evolved to catapult away after sex to avoid being eaten by a female.

Scientists have discovered a new way male spiders avoid being eaten after sex: catapulting away.  After mating, some species of female spiders kill and eat their partners. The catapulting spiders ar… [+1557 chars]

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