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carbon dating


  • Originally published 04/15/2013

    Maya Long Count calendar and European calendar linked using carbon-14 dating

    The Maya are famous for their complex, intertwined calendric systems, and now one calendar, the Maya Long Count, is empirically calibrated to the modern European calendar, according to an international team of researchers. "The Long Count calendar fell into disuse before European contact in the Maya area," said Douglas J. Kennett, professor of environmental archaeology, Penn State. "Methods of tying the Long Count to the modern European calendar used known historical and astronomical events, but when looking at how climate affects the rise and fall of the Maya, I began to question how accurately the two calendars correlated using those methods."...

  • Originally published 02/05/2013

    Last-stand Neanderthals queried

    We may need to look again at the idea that a late Neanderthal population existed in southern Spain as recently as 35,000 years ago, a study suggests.Scientists using a "more reliable" form of radiocarbon dating have re-assessed fossils from the region and found them to be far older than anyone thought.The work appears in the journal PNAS.Its results have implications for when and where we - modern humans - might have co-existed with our evolutionary "cousins", the Neanderthals....

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