Radiocarbon dating is used to estimate the age of everything from fossils to historical works of art and artifacts.
But new research suggests that the increase of carbon in the atmosphere due to the burning of fossil fuels could reduce the accuracy of this dating method.
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Radiocarbon dating works by measuring the amount of carbon-14, a radioactive, naturally occurring isotope that has a known rate of decay. Using calculations, based on the amount of carbon-14 left...