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    Scientists use carbon-dating to check wine vintages: study

    Sun, 03/21/2010 - 18:06 EDT - France24.com - Business

    Ever paid top dollar for a bottle of wine that says on the label it's from a much-sought-after year, only to find that it tasted like cheap, non-vintage plonk?Well, a team of researchers in Australia, who think "vintage fraud" is widespread, have come up with a test that uses radioactive carbon isotopes left in the atmosphere by atomic bomb tests last century and a method used to date prehistoric objects to determine what year a wine comes from, or its vintage.The test works by comparing the amount of carbon-12 and carbon-14 in grapes.

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