How To Prove A Chimpanzee Can Reason

In a new study published in Science, five tests have proven the capacity of chimpanzees to weigh conflicting evidence and rationally change their beliefs most of the time. The chimpanzees in this experiment were saved from the bushmeat trade by activists and living comfortably in a sanctuary. Read more here: https://www.iflscience.com/chimps-can-revise-beliefs-when-confronted-with-conflicting-evidence-can-you-81392 Credit: Global Research Center for Diverse Intelligences