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It suggests that modern humans might have lived in Europe for longer than thought and that prehistoric paintings recently found in the Chauvet cave, in southern France, might be 38,000-years-old rather than the estimated 33,000 years.

These findings suggested dramatic changes in the amount of radioactive carbon in Earth's atmosphere during the last Ice Age, much greater than previously thought, probably as a result of changes in the strength of the planet's magnetic field.

Radiocarbon dating, also known as carbon-14 dating, has developed into one of the most important radioisotope dating methods archaeologists employ.

This scientific tool, first developed by Willard F.

So, objects older than that do not contain enough of the isotope to be dated.

Conversely, the method doesn't work on objects that are too young.

It should be no surprise, then, that fully half of the dates are rejected.

Furthermore, if a sample has been contaminated, scientists will know about it.

Ironically, given how supposedly useless carbon dating is claimed to be, Creation Ministries International rests part of their "101 Evidences" on carbon dating being a useful method for within several thousand years.

Libby in the late 1940s, began with the discovery of the isotopic carbon-14 atom.

Following this discovery, scientists began to ponder ways to utilize carbon-14 to date previously living organisms.