Orangutans can learn how to use stone tools as hammers and knives
Captive orangutans that had never seen stone tools could work out how to use them to hit or cut things – but they couldn’t get the hang of making them Life 16 February 2022 By Michael Marshall Orangutans live in trees and rarely encounter stones MERVYN REES/Alamy Stock Photo Captive orangutans that had never seen … Read more