Maybe we’re not as old as we think (or feel?). The interstellar stuff that became incorporated into the planets and life on Earth has younger cosmic roots than theories predict, according to the University of Chicago scholar Philipp Heck and his international team of colleagues.Heck’s team analyzed 22 interstellar grains from the Murchison meteorite. [...]More... (http://www.universetoday.com/2009/06...tem-formation/)