Cosmos
An epic adventure in time, space and life.
S01E07: The Clean Room
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.
Overview
Famed astrophysicist Neil deGrasse Tyson provides clarity for the vision of the cosmos as he voyages across the universe with never-before-told stories that delve into the scientific concepts of the laws of gravity and the origins of space and time.
Episodes
S01E02 Some of the Things that Molecules Do
S01E03 When Knowledge Conquered Fear
S01E04 A Sky Full of Ghosts
S01E05 Hiding in the Light
S01E06 Deeper, Deeper, Deeper Still
S01E07 The Clean Room
S01E08 Sisters of the Sun
S01E09 The Lost Worlds of Planet Earth
S01E10 The Electric Boy
S01E11 The Immortals
S01E12 The World Set Free
S01E13 Unafraid of the Dark
Cast
