James Cameron says today's ocean exploration is “piss poor.” He's right.

James Cameron is unhappy with the present state of ocean exploration. He's so unhappy that he's taken it upon himself to spearhead an effort to return to Challenger Deep, the deepest known point in all the world's oceans. In fact, he's making the trip this week — and he's making it alone. » 3/19/12 2:10pm 3/19/12 2:10pm