To get a picture of how Lucy's species, Australopithecus afarensis, moved, scientists compare fossils to the bones of modern humans, as well as to the anatomy ... The details of the prints are ...

The nasal bones are two wedged-shaped bones that make up the bridge of your nose. They come together at a rigid fibrous joint, forming the thickest part of the nose. Trauma to the face often ...

A joint is held together by ligaments which give the joints their stability. Cartilage is found at the ends of bones and where joints meet. Tendons attach muscles to the skeleton. Synovial joints ...