A groundbreaking study published in Science reveals that chimpanzees can rationally revise their beliefs much like humans.
The authors conclude: “Chimpanzees did not attribute a fixed value to each type of evidence; instead, they weighed the ...
(AP) - Chimpanzees in Michigan are not considered “persons” with human rights, according to the state’s Court of Appeals. That means the owners of the DeYoung Family Zoo in the Upper Peninsula will ...