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.
格伦·克洛斯/佩内洛普·克鲁兹/莫娜·马丁内斯/洛伦佐·祖佐洛/安东尼奥·德·拉·托雷/洛拉·杜埃尼亚斯/Natalia de Molina/玛利亚·莫拉雷斯/卡洛斯·冈萨雷斯/米格尔·贝尔纳尔德阿尤/努里亚·门西亚/胡里奥·托雷斯/丹尼尔·伊瓦涅斯/吉塔里卡·德拉富恩特/米洛·基菲斯/曼努埃尔·加雷诺/雨果·韦尔泽尔/马特奥·梅迪纳/阿尔伯特·普拉/特奥·卢卡达莫/大卫·佩雷斯·卡马乔/