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Cutting-edge news & reports from PNAS, one of the world's most-cited scientific journals, sibling journal of @PNASNexus & an official journal of @theNASciences.

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linkhttp://www.pnas.org calendar_today28-02-2011 16:44:39

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7 months ago

Lasers created high-contrast images of tattoos featuring geometric and zoomorphic patterns on 1,200-year-old mummies from the Chancay culture, in what is now coastal Peru, were likely created using a cactus needle or sharpened animal bone. In PNAS: ow.ly/mZJg50ULeXc

Lasers created high-contrast images of tattoos featuring geometric and zoomorphic patterns on 1,200-year-old mummies from the Chancay culture, in what is now coastal Peru, were likely created using a cactus needle or sharpened animal bone. In PNAS: ow.ly/mZJg50ULeXc