An example of radiocarbon dating
The following was published yesterday, March 22, 2019, in Archaeometry, a Wiley publication.
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The results, which were centralized by the British Museum and published in Nature in 1989, provided ‘conclusive evidence’ of the medieval origin of the artefact.
Organisms at the base of the food chain that photosynthesize – for example, plants and algae – use the carbon in Earth’s atmosphere.