Deep Ocean Mysteries and Wonders

We live in an alien planet, or at least a planet we don't know too well. Most of what we know about Earth comprises only a percentage of the 30% we find on the dry and solid surface, but as David Gallo demonstrates in this short TEDTalk, the deepest, darkest and virtually unexplored parts of the ocean are teeming with ecosystems that contain more life diversity than the rain forest. Oh, and a bunch of microbes are making a feast out of the Titanic...