Bomb carbon peak dating

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They and their co-authors had solved one of neuroscience’s longstanding mysteries.

The bomb pulse has been declining since the 1963 above-ground test ban treaty, creating a sort of clock they could exploit.These slammed into nitrogen atoms, causing their nuclei to eject a proton.What was once a seven-proton nitrogen became a six-proton carbon.By contrast, methane created from petroleum showed no radiocarbon activity because of its age.The results were summarized in a paper in Science in 1947, in which the authors commented that their results implied it would be possible to date materials containing carbon of organic origin.

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