core samples found at the bottom of a japanese lake could provide much more precise timelines for important archeological finds and climate-history questions.
radiocarbon dating is the best-known and most widely used method to determine the age of organic material, such as bone or wood or plant matter. all such material contains radioactive carbon atoms, known as carbon-14, that decay at an understood and measurable rate.
oxford university radiocarbon dating expert christopher ramsey and his colleagues were looking for organic material preserved fo
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