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Saturday, April 28

Science News Online Peru Holds Oldest New World City: "For radiocarbon dating, the researchers focused mainly on reed fibers from woven bags they found at the site. Caral's workers used the bags to carry rocks for building the mounds, the researchers say. The reeds, which live for about 1 year, provide highly specific age estimates of when the workers built the platforms." How the archaeologists were able to date the Caral settlements.



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