Courage theories! Sea drugs! Self-doubt conquering! Multi-species jet lag! True hair colors! The fattest place on earth! Dumb babies! And rovers that just won't quit! It's your Tuesday Science Watch, where we watch science—while "doing the robot," with words!

Why is Dan Rather facing the ridicule and embarrassment engendered by his lawsuit against CBS? Felix Gillette lists some pretty compelling reasons, none of which include the "crazy old coot with a score to settle" theory. [NYO]