Carbon dating live

22-Nov-2019 06:10

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Archaeologists have long used carbon-14 dating (also known as radiocarbon dating) to estimate the age of certain objects.Traditional radiocarbon dating is applied to organic remains between 500 and 50,000 years old and exploits the fact that trace amounts of radioactive carbon are found in the natural environment.The researchers found that if they assumed tooth enamel radiocarbon content to be determined by the atmospheric level at the time the tooth was formed, then they could deduce the year of birth.They found that for teeth formed after 1965, enamel radiocarbon content predicted year of birth within 1.5 years.

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Forensic anthropologists at The University of Arizona took advantage of this fact in a recent study funded by NIJ.

The researchers found that year-of-death determinations based on nails were accurate to within three years.

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