Carbon dating news articles

“If you’re trying to look at archaeological sites at the order of 30,000 or 40,000 years ago, the ages may shift by only a few hundred years but that may be significant in putting them before or after changes in climate,” he says.Take the extinction of Neanderthals, which occurred in western Europe less than 30,000 years ago.Various geologic, atmospheric and solar processes can influence atmospheric carbon-14 levels.

Carbon dating is used to work out the age of organic material — in effect, any living thing.

Archaeologists now have new tools for studying the development of medieval villages and the transformation of the historical landscapes surrounding them. Radiocarbon dating is a key tool archaeologists use to determine the age of plants and objects made with organic material.

But new research shows that commonly accepted radiocarbon dating standards ...

Two distinct sediment layers have formed in the lake every summer and winter over tens of thousands of years.

The researchers collected roughly 70-metre core samples from the lake and painstakingly counted the layers to come up with a direct record stretching back 52,000 years.

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But after a few hundred million years, Earth's oxygen plummeted, resulting in a die-off likely greater than the extinction of ...

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