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Season 7, episode 6. Keep your place, move between servers, and stay ready for the next episode.
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The Safety Factor
Recent aircraft accidents have raised the question of just how safe modern commercial aviation really is. NOVA looks at some of the problems and experimental efforts underway to deal with them.
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Episode 1: The Elusive Illness
Episode 2: A is for Atom, B is for Bomb
Episode 3: Living Machines
Episode 4: Portrait of a Killer
Episode 5: Umealit: The Whale Hunters
Episode 6: The Safety Factor
Now playing
Episode 7: A Mediterranean Prospect
Episode 8: Mr. Ludwig's Tropical Dreamland
Episode 9: The Pinks and the Blues
Episode 10: The Cancer Detectives of Lin Xian