String Theory, With No Holds Barred

ScienceNow: If Michael Turner had known what he was in for, he might have stayed home. As the moderator of a debate held here last night at the National Museum of Natural History, the University of Chicago cosmologist had the unenviable task of trying to crown a winner in a match-up between Brian Greene and Lawrence Krauss, two physics heavyweights duking it out over the merits--or lack thereof--of the so-called Theory of Everything.