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Life & Evolution

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dog breeds

With a new dataset, man digs into the genetic history of his best friend.

dolphin flinging an octopus

Eating octopus can be dangerous. Some dolphins in Australia, though, have figured out how to do this safely — by shaking or tossing their prey over and over until it goes limp and the sucker-covered arms are relaxed and safe to eat.

beetle fossils

BAD HOUSEGUESTS  Some ancient beetles survived by freeloading off social insects such as termites. Two new beetle fossils (Cretotrichopsenius burmiticus, left and Mesosymbion compactus, right) suggest that the behavior, known as social parasitism, has endured for about 100 million years.

Life & Evolution

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