on October 21, 2009, Dr Thomas Plummer of Queens College at the City University of New York, Dr Richard Potts of the Smithsonian Institution National Museum of Natural History and colleagues report the oldest archeological evidence of early human activities in a grassland environment, dating to 2 million years ago.
For More Info
http://www.sciencedaily.com/releases/2009/10/091020203420.htm
For More Info
http://www.sciencedaily.com/releases/2009/10/091020203420.htm
