Cycles of the Mayan Calendar

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Researcher Finds Ancient Science and Math Are Timely

Native American studies professor Martha Macri and graduate student Michael Grofe say their study of the Mesoamerican calendar is revealing how Native Americans were able to calculate with computer-like accuracy the movements of the sun, planets and the moon through time.

Macri, a linguistic anthropologist who studies ancient and contemporary languages, used her expertise to match the hieroglyphs -- pictorial characters used in Mayan writing -- to the 260-day ritual calendar.

http://www.physorg.com/news10777.html