Scientists stake out wolves to see whether their yawns are contagious

People do it. So do chimpanzees, bonobos and baboons. Even dogs do it: They yawn when someone near them yawns. But why? Scientists believe it’s a sign that these animals are capable of feeling empathy – and a new study of wolves suggests it’s more widespread among animals than...



via L.A. Times - Science http://ift.tt/1zG8qvr