Between Foraging and Farming

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Science  13 Mar 1998:
Vol. 279, Issue 5357, pp. 1651-1652
DOI: 10.1126/science.279.5357.1651

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Over the last decade, a number of surprising findings have been reported about the origins of agriculture in Mexico and the southwestern United States. In his Perspective, Smith discusses results reported in the same issue by Hard and Roney in which accelerator mass spectrometry was used to date maize plants from Cerro Juanaqueña, Chihuahua, Mexico. The results indicate the existence of a massive terraced village complex 3000 years before the present.