Scientists are claiming to have discovered evidence of a time before the "Big Bang." Folks have been postulating that universes could be formed in "bubbles" of space time for... oh, gosh, I don't know when the first time it was I read about that. Say, thirty years at least. Nobody, until now it would seem, could come up with any way of testing the idea. While it does seem to neatly account for some previously observed quirks in the cosmic background radiation, it remains to be seen if the theory makes testable predictions.