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Automatic TRANSCRIPT

Kim to retention a few years ago that there were fraudulent skis on the market Gordon Cook of the Scottish universities. Environmental Research Center. Scorch whiskey is is Scotland's Scotland's product and. We felt that being up a really covered laboratory in Scotland. We should take a lead on this scotch. Whiskey is made from barley which absorbs carbon antioxidant from the air as it grows most of the carbon is carbon twelve but a small percentage is the radioactive isotope carbon fourteen. Which decays is it. A constant known rate and has therefore long been used to carbon date biological samples then in the nineteen fifties we had the star the atmosphere it weapons tests and these produce carbon fourteen by nine hundred sixty twice the national level and sixty. Three there was a test-ban treaty. So Oh sixty. Three was the maximum. And since then the level and the atmosphere has decreased as the radiocarbon goes into the biota a New Orleans so unusually high levels levels of carbon fourteen or associated with barley grown during the years when nuclear testing was widespread. There's obviously a lot of money in whiskey. And some classics get bought not as Imbibe Women's but is investments last October. A sixty year old nineteen ninety-six bottle was auctioned off for one point. Nine million dollars to make sure that the stuff inside bottles of Scotch whisky matches. What's on the labels cook. and his colleagues looked at levels of carbon fourteen in the drink. They calibrated levels levels of the radioactive carbon more than two hundred different single Malt Scotch. Whisky samples of ages researchers then compared those levels to eat whiskies claiming to have been bottled from eighteen. Forty seven to nine thousand. Nine hundred seventy eight we haven't found any whiskies purported to be from the nineteenth century the genuine because those allegedly nineteenth century bottles contained material clearly produced during the nuclear testing era the study he is in the Journal. Radiocarbon Cook Copes these verification techniques will help keep the whiskey business true to the words of Robert Burns. Here's a bottle. And and an honest