The framed hominid fossil "Lucy" -- the first Australopithecus afarensis skeleton ever found -- is seen at a exhibition at the Ethiopian Natural History Museum in the Ethiopian capital of Addis Ababa, Oct. 24, 2006. Two-million-year-old fossils including the three tiny bones of the middle ear are helping scientists figure out the auditory abilities of early human ancestors at a time when they were beginning to hear more like a person and less like a chimpanzee.
↧
