Few things on this planet are more indestructible than the lowly cockroach -- except, of course, a cyborg cockroach. That's what researchers at Case Western Reserve University are looking to create, and they're a lot closer than you may think. In fact, chemistry professor Daniel Scherson has found a way to harvest energy from the chemicals swimming within these insidious insects, meaning that they may soon be able to create robot cockroaches with a mor