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Follow the links below to learn more about radiocarbon dating. Radiocarbon dating uses carbon isotopes A special kind of radiocarbon dating: Bomb radiocarbon dating What is an isotope?

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The new method is based on the fact that over the past 60 years, environmental levels of radiocarbon have been significantly perturbed by mid-20th-century episodes of above-ground nuclear weapons testing.

Before the nuclear age, the amount of radiocarbon in the environment varied little in the span of a century.

Unlike tooth enamel, soft tissues are constantly being made and remade during life.

Thus, their radiocarbon levels mirror those in the changing environment.

Archaeologists have long used carbon-14 dating (also known as radiocarbon dating) to estimate the age of certain objects.

Last modified 17-Aug-2018 06:58