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Saturday, March 13, 2010 |
Saturday, March 13, 2010 |
Photo: Aztec Math Decoded, Reveals Woes of Ancient Tax TimeA new study has deciphered the glyphs used to calculate the measurements of such parcels, including symbols like hearts, hands, and arrows, which denoted fractions. Image courtesy of Library of Congress, Geography and Map Division
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ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAY |
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