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News Link • Archaeology

Inaccuracies Found in Radiocarbon Dating Calibrations Could Change Historical Timelines

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Comparison of Radiocarbon Dates to Calendar Dates. Radiocarbon dates underestimate the actual age of the objects being dated, because the ratio of carbon-14 to carbon-12 has not been constant over time. (Source: Howard Morland/ CC BY-SA 3.0 ) Manning, professor of archaeology at Cornell University and director of the Cornell Tree-Ring Laboratory, is the lead author of "Fluctuating Radiocarbon Offsets Observed in the Southern Levant and Implications for Archaeological Chronology Debates," published in the Proceedings of the National Academy of Sciences .

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