Cosmos (2014) S01E07 — "The Clean Room" Thai Subtitles

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.

Genres

Documentary

Runtime

44m

Director

Brannon Braga

Cast

Neil deGrasse Tyson, Ann Druyan, Richard Gere, Piotr Michael, Marc Worden, Larry Cedar, Christopher Emerson, Stoney Emshwiller