Cosmos: Possible Worlds - Season 1 Episode 7
Seasons & Episodes
Episode Overview
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.
Episode Details
Airdate: 2014-04-20
Episode Title: The Clean Room
Runtime: 43
Director: Ann Druyan, Brannon Braga
Genre: Documentary
Cast: Christopher Emerson, Enn Reitel, Keythe Farley, Larry Cedar, Michael McConnohie, Neil deGrasse Tyson, Nick Jameson, Piotr Michael, Richard Gere, Stoney Emshwiller
Episode Rating: 8.8 (1896 votes)
Country: USA
Release Year: 2014
Metacritic: 83
Episode Runtime: 45 min
Rated: TV-PG
First Air Date: 2014-03-09
Seasons: 2
Status: Ended
Creators: Brannon Braga, Ann Druyan
Awards: Top rated TV #10 | Won 4 Primetime Emmys, 17 wins & 23 nominations total
You recently viewed
Loading...
Loading your recently viewed items...