NOVA Season 42 Episode 20
Lethal Seas
Sharply rising carbon emissions are entering Earth's seas at a staggering rate, raising their acidity. Learn how scientists are researching the effects and looking for solutions.
42 - 22Nuclear Meltdown DisasterJul. 29, 2015- 42 - 21Chasing PlutoJul. 15, 2015
- 42 - 20Lethal SeasMay. 13, 2015
- 42 - 19Nazi Attack on AmericaMay. 06, 2015
- 42 - 18Invisible Universe RevealedApr. 22, 2015
- 42 - 17The Great Math MysteryApr. 15, 2015
- 42 - 16Hagia Sophia: Istanbul’s Ancient MysteryFeb. 25, 2015
- 42 - 15Petra: Lost City of StoneFeb. 18, 2015
- 42 - 14Colosseum: Roman Death TrapFeb. 11, 2015
- 42 - 13Sinkholes—Buried AliveJan. 28, 2015
- 42 - 12Sunken Ship RescueJan. 21, 2015
- 42 - 11Big Bang MachineJan. 14, 2015
- 42 - 10First Man on the MoonDec. 03, 2014
- 42 - 9Killer LandslidesNov. 19, 2014
- 42 - 8Emperor’s Ghost ArmyNov. 12, 2014
- 42 - 7Bigger Than T. rexNov. 05, 2014
- 42 - 6First Air WarOct. 29, 2014
- 42 - 5Ben Franklin's BalloonsOct. 22, 2014
- 42 - 4Surviving EbolaOct. 08, 2014
- 42 - 3Why Planes VanishOct. 08, 2014
- 42 - 2Rise of the HackersSep. 24, 2014
- 42 - 1Vaccines Calling the ShotsSep. 10, 2014
