Ape elbows and shoulders evolved differently than monkeys, allowing us to throw with precision

Mary Joy is an undergraduate student at Dartmouth University’s Department of Anthropology — and, additionally, is a climber and runner. Indeed, Joy’s athletic interests have fueled her scientific endeavors in at least one important way: They helped her develop a hypothesis about the evolution of shoulders, elbows and wrists in human beings....

Originally posted on salon.com