A primatologist and a humanist together explore the meaning of being a "human animal" Humanness is typically defined by our capacity for language and abstract thinking. Yet decades of research led by the primatologist Sue Savage-Rumbaugh has shown that chimpanzees and bonobos can acquire human language through signing and technology. Drawing on this research, Dialogues of the Human Ape brings Savage-Rumbaugh into conversation with the philosopher...