Jane Goodall, the influential primatologist and conservationist, died this week at the age of 91. NPR's Scott Simon reflects on her legacy and love for chimpanzees.
Two studies of wild chimps point to the evolutionary roots of human language. The studies found that chimp communication often relies on rhythmic structures and call combinations.
Chimps are notorious for hostility toward chimps from another group. Is that part of the human makeup as well? A new study of bonobos, our other closest relative, offers a more cooperative vision.
