mei 222013
 
Cosmic Impact Just After the Latest Ice Age Confirmed?

  About 12,800 years ago when the Earth was warming and emerging from the last Ice Age, a dramatic and anomalous event occurred that abruptly reversed climatic conditions back to near-glacial state. According to James Kennett, UC Santa Barbara emeritus professor in earth science, this climate switch fundamentally –– and remarkably –– occurred in only [continue reading]

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]