Cosmos - Season 1 Episode 7 - The Clean Room - Watch Online Free
Cosmos S01E07 Watch Online Streaming
Apr. 20, 2014To determine the true age of the Earth, geochemist Clair Patterson developed the uranium-lead dating method to make an unprecedented discovery – calculating Earth’s age of 4.5 billion years. But Patterson’s groundbreaking discoveries were just beginning. Patterson made it his mission to draw public attention to the detrimental effects of lead in the environment and dedicated his career to fighting against the petroleum and chemical industry, eventually achieving public health’s biggest victory of the 20th century.
Cosmos season 1
- S1E1Standing Up in the Milky WayMar. 09, 2014
- S1E2Some of the Things That Molecules DoMar. 16, 2014
- S1E3When Knowledge Conquered FearMar. 23, 2014
- S1E4A Sky Full of GhostsMar. 30, 2014
- S1E5Hiding in the LightApr. 06, 2014
- S1E6Deeper, Deeper, Deeper StillApr. 13, 2014
- S1E7The Clean RoomApr. 20, 2014
- S1E8Sisters of the SunApr. 27, 2014
- S1E9The Lost Worlds of Planet EarthMay. 04, 2014
- S1E10The Electric BoyMay. 11, 2014
- S1E11The ImmortalsMay. 18, 2014
- S1E12The World Set FreeJun. 01, 2014
- S1E13Unafraid of the DarkJun. 08, 2014