When you talk to a dog, does the dog talk back? Many people think so. But for a long time, scientists didn't know how our furry friends learned to communicate with people. Luckily, Russian scientist Dmitri Belyaev had a plan. If he could tame wild red foxes, he could learn how dogs first came from wolves. By studying the way these foxes changed during domestication, the mystery of communication would be solved at a last. More than 50 years after the...