The “unparalleled” discovery of remarkably well-preserved ancient skeletons in Central American rock shelters has shed new light on when maize became a key part of people’s diet on the continent.

Excavations showing the stratigraphic sequence from the late Pleistocene to the modern
in one excavation unit at Saki Tzul rockshelter [Credit: Keith M. Prufer]Until now little was known about when humans started eating the crop, now a…

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Source: archeo