The Clean room.

Tyson, Neil deGrasse, (presenter.). National Geographic Society (U.S.), (publisher.). Criterion-on-Demand (Firm), (film distributor.).

Summary: 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.

Record details

Physical Description: remote
1 streaming video file (46 min.) : digital, sound, color
Publisher: [Washington, D.C.] : National Geographic, [2017]
Distributor: [Vaughan, Ontario] : Criterion Pictures, [date of distribution not identified]
Copyright: ©2017

Content descriptions

Participant or Performer Note:	Hosted by Neil deGrasse Tyson.
System Details Note:	Content available as a streaming video.
Source of Description Note:	Title from distributor's description.