View Full Version : Want to Find Evidence of Life on Another Planet? Look for Cellulose

2008-Mar-31, 04:00 PM
Until recently, the oldest evidence of biological material on Earth came from fragments of ancient protein found in Tyrannosaurus Rex dinosaur fossils, dated at 68 million years old. But scientists from the University of North Carolina have found even more ancient biological material — cellulose microfibers—that date to over 250 million years old. [...]

More... (http://www.universetoday.com/2008/03/31/want-to-find-evidence-of-life-on-another-planet-look-for-cellulose/)