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Trees maintain carbon 14 equilibrium in their growth rings—and trees produce a ring for every year they are alive.Although we don't have any 50,000-year-old trees, we do have overlapping tree ring sets back to 12,594 years.Other organic data sets examined have included varves (layers in sedimentary rock which were laid down annually and contain organic materials, deep ocean corals, speleothems (cave deposits), and volcanic tephras; but there are problems with each of these methods.

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Within the last few years, a new potential source for further refining radiocarbon curves is Lake Suigetsu in Japan.Archaeologists, on the other hand, provide proof of authenticity of a certain artifact or debunk historical or anthropological findings.Archaeology has undoubtedly enriched mankind’s history like no other science.Radiocarbon dating was invented in the 1950s by the American chemist Willard F.Libby and a few of his students at the University of Chicago: in 1960, he won a Nobel Prize in Chemistry for the invention.

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