Others include water on the Moon, gene therapy Art Chimes | Washington 23 December 2009 The prestigious journal Science is out with its top 10 breakthroughs of 2009. They include developments in anthropology, astronomy, and biology. The breakthrough...
By Jessica Berman Washington 31 May 2007 Scientists say early human ancestors may have begun walking on two legs on tree branches, not on the ground as commonly believed. The evidence contradicts the long-held belief that early humans first began wal...