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.

本剧于2020年在美国等国家或地区开播，使用的别名（拼音或译名）有goudegushi2020。活力看为您提供纪录片《狗的故事2020》免费在线观看，华为、小米、OPPO、QQ、UC、苹果Safari等手机浏览器可以下载或无线投屏到智能电视观看。编辑更新于2020-10-21 01:02:13