There is no good theory that gets gravity in the right fit, if in the formulas at all. String theory is still stalled:-http://www.newscientist.com/article/dn18612-knowing-the-mind-of-god-seven-theories-of-everything.html?full=true -And the Chicxulub asteroid is again back as the favored candidate for dinosaur extinction:-http://www.sciencedaily.com/releases/2010/03/100304142242.htm