Cosmos
Famed astrophysicist Neil deGrasse Tyson provides clarity for the vision of the cosmos as he voyages across the universe with never-before-told stories that delve into the scientific concepts of the laws of gravity and the origins of space and time.
Season 1 · Episode 7 ·
The Clean Room
To 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.
13 episodes
No episodes match your search.
The cast behind this title
Titles you might also enjoy
About
Episode 7 of season 1 of Cosmos: “The Clean Room”. Aired 2014-04-20. Watch it online free on ZapFlix.