Kiki is a chimpanzee at Tchimpounga Chimpanzee Sanctuary in the Republic of Congo. A new study of chimpanzees and bonobos finds that humans aren't the only species susceptible to "glass half empty ...

EVERYONE'S A CRITIC Jane shows a photo of an adult chimp to infant Flint. Before Hugo built a darkroom at Gombe, he had to ship exposed film to Washington, D.C., to be developed. It would be weeks ...