jan 302013
 
Prehistoric Humans Not Wiped Out by Comet

  Comet explosions did not end the prehistoric human culture, known as Clovis, in North America 13,000 years ago, according to research published in the journal Geophysical Monograph Series. Dennis Stanford with Clovis stone points from the collection of the Smithsonian’s National Museum of Natural History. The Clovis culture is named after the town in [continue reading]