“Why Ships Sink” Tonight on NOVA / PBS at 9:00 P.M. By Jim Walker on September 18, 2013 Posted in Sinking Tonight at 9:00 P.M. NOVA will air "Why Ships Sink" featuring the story of the recent Costa Concordia and the 100 year old story of the Titanic. I’m in the program, interviewed at the Port of Miami. You can watch the online video here.