Roots of Mesoamerican Writing For 7 centuries, the Maya recorded their history in elaborate stone carvings. Archaeologists have deciphered these hieroglyphs, but haven't been certain about their origins. Now a team describes what is potentially the oldest evidence of writing in the Americas. For many archaeologists, the two artifacts suggest that Maya script originated in an earlier culture known as the Olmec. Several clues have long suggested that the Olmec civilization, which flourished from 1200 B.C. to 400 B.C., was the first to develop cultural traditions, including writing, later adopted by the Maya, who reigned from about A.D. 300 to...