What Did Louis and Mary Leakey Discover About Human and Hominid Evolutionary Development In Africa?
There are four main developments in human evolution that led to today’s Homo sapiens: walking on two legs instead of four; a larger, more complex brain; the making of tools; and language. The development of all but language could be revealed by studying fossils of hominids, members of the family that include humans and apes. Oth
