On the ground, chimpanzees use a characteristic gait called knuckle-walking, and although they can walk on two legs for short distances, their gait is not much like ours. Perhaps the most ...

Their typical form of movement, however, is called “knuckle-walking.” Knuckle-walking is when a primate moves by putting ...

Scientists have turned their attention to investigating that most annoying of human habits - the sound made when you crack your knuckles. The characteristic pop can be explained by three ...