Ancient Rome and GreeceThere is a quality of cohesiveness about the Roman world that applied neither to Greece nor perhaps to any other civilization,
Agriculture, Iron, and the Bantu PeoplesThere is evidence of agriculture in Africa prior to 3000 B.C. It may have developed independently, but many sc
Infantile Amnesia What do you remember about your life before you were three?
The Cambrian ExplosionThe geologic timescale is marked by significant geologic and biological events, including the origin of Earth about 4.6 billion