LifeOrangutans 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 News
LifeWhat dolphins reveal about the evolution of the clitoris Patricia Brennan's latest research suggests that bottlenose dolphins have clitorises that evolved for pleasure. She tells New Scientist why it's important to study animal genitalia News