The fossils — which may date back to 1.4 million years — were nicknamed “Pink” in honor of iconic rock band Pink Floyd.

Whether human or reptile ... or cheekbone. The jaw muscle runs down through it to the lower jaw. When chewing, the movement ...

The animal classification that would eventually spawn the human race was ... of two separate bones - the quadrate of the skull and the articular in the lower jaw and the quadrate in the skull.