ScienceDaily -- Exciting new fossils discovered east of Lake Turkana confirm that there were two additional species of our genus -- Homo -- living alongside our direct human ancestral species, Homo erectus, almost two million years ago. The finds, announced in the scientific journal Nature on August 9th, include a face, a remarkably complete lower jaw, and part of a second lower jaw.
MORE: http://www.sciencedaily.com/releases/2012/08/120808132705.htm
See also...
Physics and Math Shed New Light On Biology by Mapping the Landscape of Evolution
http://www.sciencedaily.com/releases/2012/08/120808132454.htm
