Monkeys are as smart as humans at math?
Monkeys performed about as well as college students at mental addition, U.S. researchers said on Monday in a finding that suggests nonverbal math skills are not unique to humans. The research from Duke University follows the finding by Japanese researchers earlier this month that young chimpanzees performed better than human adults at a memory game. Prior studies have found non-human primates can match numbers of objects, compare numbers and choose the larger number of two sets of objects. » Full article here