Cetacean teeth as isotopic archives: Decoding age, diet, and origin in Scottish waters

PravdaReport ·
Russia

A thin slice of a killer whale tooth, shed in Scottish coastal waters in the early 2000s, carries a chemical signature that has nothing to do with the ocean's natural radioactive background. It is a trace of radiocarbon waste from the Sellafield nuclear fuel reprocessing plant. Unlike the global signal from mid-20th-century nuclear tests, this local marker allows researchers to pinpoint with high…

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