NOVA: Why Planes Vanish
Preview | 30s
"Why Planes Vanish" – Get the inside story of the search for Flight MH370. Can new technology guarantee that in the future, nothing will ever be "lost" again? (Also Fri. 7/24 at 3 a.m.; Sun. 7/26 at 2 p.m.)
Aired: 07/22/15
Expired: 07/22/15
