Chimpanzees shock biologists with rational thinking

The primates appear to change their minds based on the strength of evidence, just like humans. Breakthroughs, discoveries, and DIY tips sent every weekday. The human capacity for rational thinking makes us unique among the animal kingdom, according to wise, old Aristotle . However, an ever-growing body of research suggests that rationality might not be quite as distinctive a human quality as we might have thought. In a study recently published in the journal, researchers at the Ngamba Island Chimpanzee Sanctuary in Uganda presented chimpanzees with two boxes: one with food and one without a snack.