Part of Easter Island mystery solved

January 28, 2015 4:48 PM

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Part of Easter Island mystery solved

The ongoing debate over what prompted the decline of Easter Island's native Polynesian inhabitants, known as Rapa Nui, is being clarified by scientists digging for answers in the soil.

Writing in the Proceedings of the National Academy of Sciences, an international team of researchers explain that they examined agricultural soil chemistry and land use trends to get a better picture of any shrinking and swelling in population numbers.

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