Real radio dating

25-Jul-2020 17:53

To determine year of birth, the researchers focused on tooth enamel.

Adult teeth are formed at known intervals during childhood.

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

The generally poor post-mortem preservation of soft tissues would be a limiting factor to this approach.

In contrast, from 1955 to 1963, atmospheric radiocarbon levels almost doubled.

Since then they have been dropping back toward natural levels.

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Atmospheric dispersion tends to create uniform levels of carbon-14 around the globe, and researchers believe that these would be reflected in human tissues regardless of location.

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