Could a juiced-up particle accelerator destroy the Earth?

One of the world's largest particle colliders is about to undergo upgrades that will make it considerably more powerful than it is now. The ensuing experiments will once again take us into uncharted scientific waters, prompting critics to warn of a potential catastrophe — one powerful enough to destroy our entire… » 2/13/14 9:00am 2/13/14 9:00am