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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.
First Air Date : Mar 09, 2014
Last Air date : Apr 20, 2020
Episode : 26 Episode
Season : 2 Season
Runtime: 60 minutes
Studio: FOX, National Geographic
Country: United States of America
Cast: Neil deGrasse Tyson
