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...
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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.Written by
WILHELM SCREAM: When a lead-poisoned factory worker jumps from a window. See more »
Much of this episode focuses on leaded gasoline as a significant contributor to atmospheric lead content. However, it is incorrectly implied that leaded gasoline was phased out as a result. In reality, it was the widespread introduction of catalytic converters in new automobiles starting in 1975 that drove the switch to unleaded gasoline. See more »
When this series was aired on Natgeo channel l'd taped some episodes to be watch later and all them are a high profile documentary...hosted by this magnificent scientist Neil deGrasse Tyson given a proper respect to the show...telling important facts of our past...in this episode is about how measure the Earth's age to charge to a young guy called Clair Patterson who gave to all mankind a answer that we expect so far and how the poisoned air by "LEAD" can destroy the brain's people being a causative agent that have a great damages in the mankind....this series touch us through of the science to learn more about the real and important things....it's a matter of fact!!!
First watch: 2017 / How many: 1 / Source: Netflix / Rating: 8.5
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