Do Humans Produce More CO2 Than Volcanoes?
June 28, 2011 | ABC Science
One of the most frequently asked questions about carbon dioxide emissions is how much do... The First Humans in Arabia?
November 30, 2011 | ScienceMag.org
Stone tools found in Oman suggest that humans may have crossed from Africa to Arabia... Cave Art from 100,000 Years Ago?
October 13, 2011 | Discovery News
Archaeologists in South Africa have found a cave where they believe that humans used tools... Coexistence of Humans and Gomphotheres
January 27, 2011 | ArtDaily.org
Archaeologists in Mexico have found Clovis projectile heads embedded in remains of gomphotheres (an extinct... | 
