Russia, the world's largest country, has grown even larger recently thanks to an earthquake and a volcanic eruption in its seismically active far eastern regions, a scientist said on Friday.

Space & Earth - Earth Sciences

Nov 13, 2009 4 / 5 (6) 0

(PhysOrg.com) -- Archaeologists have used stone tools to answer many questions about human ancestors in both the distant and near past and now they are analyzing the origin of obsidian flakes to better understand ...

Other Sciences - Archaeology & Fossils

Jun 22, 2009 5 / 5 (1) 0