NOVA Season 4 Episode 4
The Sunspot Mystery
NOVA explores the research on the 1976 drought in the western United States which led some solar scientists to discover the link between weather patterns and the 11 year sunspot mystery.
4 - 20The Green MachineJan. 11, 1978- 4 - 19The New HealersJun. 29, 1977
- 4 - 18Across the Silent BarrierJun. 22, 1977
- 4 - 17Linus Pauling: Crusading ScientistJun. 01, 1977
- 4 - 16Tongues of Men (2)May. 18, 1977
- 4 - 15Tongues of Men (1)May. 11, 1977
- 4 - 14The Red PlanetApr. 27, 1977
- 4 - 13The Business of ExtinctionApr. 20, 1977
- 4 - 12The Dawn of the Solar AgeApr. 20, 1977
- 4 - 11The Wolf EquationMar. 30, 1977
- 4 - 10The Human AnimalMar. 23, 1977
- 4 - 9The Gene EngineersMar. 16, 1977
- 4 - 8The Pill for the PeopleMar. 09, 1977
- 4 - 7Bye Bye BlackbirdMar. 02, 1977
- 4 - 6Incident at Brown's FerryFeb. 23, 1977
- 4 - 5The Plastic PrisonFeb. 09, 1977
- 4 - 4The Sunspot MysteryFeb. 02, 1977
- 4 - 3What Price Coal?Jan. 19, 1977
- 4 - 2The Hot Blooded DinosaursJan. 12, 1977
- 4 - 1Hitler's Secret WeaponJan. 05, 1977
