Wild capuchin monkeys in Brazil produce sharp stone flakes by accident, causing some researchers to suggest a rethink of the beginnings of human tool use.
After losing out on “personhood” in a legal battle, two chimpanzees that were held at a university in New York return to a research center in Louisiana.
A mutation in an ethanol-metabolizing enzyme arose around the time that arboreal primates shifted to a more terrestrial lifestyle, perhaps as an adaptation to eating fermented fruit.
In Chapter 3, "On the Inebriation of Elephants," author Robert Dudley considers whether tales of tipsy pachyderms and bombed baboons have any basis in scientific truth.
Re-examination of a thigh bone from one of the earliest putative hominins could impact scientists’ understanding of the origins of human bipedalism, a study suggests.