Dogs have long been dependable companions by our sides. But it wasn’t always that way, and a look at their closest living relative, the wolf, makes it clear why. Research into dog domestication and intelligence offers clues into the human-dog relationship. And analyzing dogs’ brain activity and genes may even help answer whether dogs are in it for the food—or if they really love us.
豫ICP备18045512号 免責聲明:若本站收錄的資源侵犯了您的權益,我們會及時刪除侵權內容,謝謝合作!