News Summary Archives Astrobiology Science News 5 July 2007 By Keith Cowing July 5, 2007 Oldest DNA ever recovered suggests earth was warmer than previously believed, University of Alberta Greenland’s ancient forests shed light on stability of ice sheet, Wellcome Trust Investigating Life in Extreme Environments report gives hints on life, European Science Foundation Keith Cowing Biologist, Explorers Club Fellow, ex-NASA Space Biologist and Payload integrator, Editor of NASAWatch.com and Astrobiology.com, Lapsed climber, Explorer, Synaesthete, Former Challenger Center board member 🖖🏻 Follow on Twitter