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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.
Episodes
1Standing Up in the Milky Way 2Some of the Things that Molecules Do 3When Knowledge Conquered Fear 4A Sky Full of Ghosts 5Hiding in the Light 6Deeper, Deeper, Deeper Still 7The Clean Room 8Sisters of the Sun 9The Lost Worlds of Planet Earth 10The Electric Boy 11The Immortals 12The World Set Free 13Unafraid of the Dark