'Genius' chimpanzee Ai dies in Japan at 49

'Genius' chimpanzee Ai dies in Japan at 49 Studies involving Ai, a genius chimpanzee who has died at the age of 49, are said to have revealed various aspects of the chimpanzee mind. Ai, a genius chimpanzee that could recognize more than 100 Chinese characters and the English alphabet, has died at the age of 49, Japanese researchers have said. Ai, whose name meant love in Japanese, took part in studies on perception, learning and memory that advanced our understanding of primate intelligence, the Center for the Evolutionary Origins of Human Behavior at Kyoto University said in a statement. She died Friday from multiple organ failure and ailments related to old age, the school said. Aside from mastering Chinese characters and the alphabet, Ai could also identify the Arabic numerals from zero to nine and 11 colors, primatologist Tetsuro Matsuzawa said in 2014.