Elements
Radiolab
00:00
C14 in the Atmosphere
The amount of C14 in the atmosphere at any given moment is directly reflected in ourselves, right? So if there's like that much C 14 in the atmosphere in September 1972, then that is going to be mirrored in cells that were born in September 1972. We can see approximately how long have they been there for 10 years or 20 years or 30 years. It came about because they made a big atomic bomb. Kirstie Spalding: Scientists all over the world were like, oh yeah. There's been a new invention.
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