Evolution, a process of change through time, is what links together the enormous diversity of the living world. A lot of evidence is present that indicates that the earth has had a very long history and that all living things arose in the course of that history from earlier, more simpler forms. In...

The origins of mankind is an extremely controversial issue within today's society. Scientists have a host of different theories pertaining to man's inhabitance of earth. Many disagreements arise between scientists who have different beliefs pertaining to where and how mankind arose. One su...