As me, Im guessing that you had not thought that Chimpanzees could do so much with their brains! However in this great book you'll find a hole lot of clever experiments that will teach you how much alike we are. If you do research it will show you that most of the times, in the area of cognition the details are the most important thing. In it, chimpanzees work with symbols in very different ways,and deal quite well with general and particular operations concerned with language. Step by step, one after another approved test, they will show you the ways through the Mind of an Ape!