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It’s not uncommon for a dog to sniff around a yard, come across a pile of poop, and gobble it up. Or even to eat its own poop. It might sound quite disgusting, but lots of dogs will eat poop at some ...

“Poop is central to the story of how dogs came into our lives," write Duke University dog researchers Brian Hare and Vanessa Woods in their wonderful new book, Survival of the Friendliest: ...

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