"Like Yanomamö villages, chimpanzee communities are kinship groups based on aggregates of closely related males and un…"

"Common chimpanzee, Pan troglodytes (West and Central Africa)"

"Bonobo, Pan paniscus (forests of the Democratic Republic of the Congo)."

"The human brain is composed almost exclusively of the [cerebral] cortex. The brain of a chimpanzee, for example, also…"

"[S]ome of the most fundamental ideas that stood at the basis of the 1960s' influential theories have since been all b…"

"Goodall documented a conflict between two groups that lasted several years. The males of one of the groups invaded an…"

"I cannot conceive of chimpanzees developing emotions, one for the other, comparable in any way to the tenderness, the…"

"Humans have more sympathy. In the chimp you have sympathy between a mother and a child but you seldom find it anywher…"

"Studying chimps ‘has helped me to realize, perhaps more than anything else, just how different we are from them’."

"If chimpanzees can experience loneliness and mental anguish, it becomes more wrong to use them for experiments in whi…"