Cosmos
S01E07 The Clean Room
Geochemist Clair Patterson sought to uncover Earth's actual age, eventually devising the uranium-lead dating technique that revealed it to be 4.5 billion years old. However, this was only the start of his impactful journey. Patterson committed himself to raising awareness about the harmful consequences of lead pollution, taking on the petroleum and chemical industries. His relentless advocacy led to one of the most significant public health triumphs of the 20th century, marking him as a pivotal figure in environmental health.
Season 1 Episodes
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Standing Up in the Milky Way
Some of the Things that Molecules Do
When Knowledge Conquered Fear
A Sky Full of Ghosts
Hiding in the Light
Deeper, Deeper, Deeper Still
The Clean Room
Sisters of the Sun
The Lost Worlds of Planet Earth
The Electric Boy
The Immortals
The World Set Free
Unafraid of the Dark