A mathematical review of the Codex Vergara, a census conducted by the Acolhua-Aztecs in the mid-1500s, shows that the Aztec surveyors were remarkably accurate even without the use of trigonometry. Yuval Goren of Tel Aviv University and Boaz Zissu of Bar Ilan University examined a looted ossuary confiscated by the Israel Antiquities Authority three years ago. […]
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