So, how smart are chimpanzees? Like humans, chimps have a concept of self, meaning they remember past personal events and can look forward to the future. These animals can make choices that are not ...

The death of a possible genius was reported this week. Ai, a chimpanzee who was born in West Africa and came to the Primate Research Institute of Kyoto University in Japan when she was a year old, has ...

Jane Goodall’s research at Gombe Stream National Park revolutionized our understanding of chimpanzee intelligence. In 1960, she observed a chimp named David Greybeard stripping leaves from twigs to ...