Plans to reopen Spain's Altamira caves are stirring controversy over the possibility that tourists' visits will further damage the 20,000-year old wall paintings that changed views about the intellectual ability of prehistoric ...

Chemistry - Other

Oct 26, 2011 not rated yet 0

The oldest stone wall in Greece, which has stood at the entrance of a cave in Thessaly for the last 23,000 years, has been discovered by palaeontologists, the ministry of culture said Monday.

Other Sciences - Archaeology & Fossils

Mar 22, 2010 4.5 / 5 (19) 7

Firefighting, arguably one of the world's most dangerous jobs, is about to get a lot safer thanks to a revolutionary technique developed in Sweden.

Technology - Engineering

Jul 19, 2009 4.6 / 5 (11) 1