Release Date: April 20, 2014
Cosmos
1080p
2014
Published on, 1 year ago
Cosmos
The Clean Room 1 Season 7 Episode
44 min
2014
Published on, 1 year ago
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.
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Released
09 Mar, 2014
Main Cast
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