Prehistoric Human Migrations Studied Using Genetic Analyses

Introduction to Genetic Genealogy Every man has a Y-chromosome that he inherited solely from his father, much as surnames are passed on in Western Culture. The Y-chromosome represents a man’s unbroken paternal lineage. Women do not have a Y-chromosome. Usually, a son receives an exact copy of his father’s Y-chromosome. However, very rarely (once in…

3-D Renderings Bring Ancient Hominids to Life / by Brandon KEIM

For decades, paleoartists have told the story of human evolution through sculpture and drawing. Now their tools have evolved, too. Computers allow a level of detail and control that isn’t possible with other media. Their creations can come closer than ever to bringing our ancestors to life. “What’s driven my work has always been, ‘I…

Stellar Evolution

From Wikipedia, the free encyclopedia/ Life cycle of a Sun-like star. Stellar evolution is the process by which a star undergoes a sequence of radical changes during its lifetime. Depending on the mass of the star, this lifetime ranges from only a few million years (for the most massive) to trillions of years (for the least…

The Neanderthal – modern human connection?

A sixty percent complete, “first draft” of the Neanderthal genome has been prepared by scientists with the Max Planck Institute in Germany and there is evidence there was interbreeding between Neanderthals and modern humans about 80,000 years ago in the Levant.  This announcement appeared in the journal Science on May 8 and has had a mixed…