Brian Greene what a limited fool a shame for an Physicist !!!  With all your education i know now why our world is so deranged saying you don't even address the possabilites of a life beyond this !! Even myself as an environmental engineer I know with out a dought somehting like infinty what as you have stated a few time here the big bang what's before that or the expansion of the universe tells me a uwesome creator could be a surprize beyond our comperhension