Archaeologists say they were used in pits or directly in pot over 1,000 years ago
Clay balls unearthed at Mayan site probably used for cookingPrintSaveCreate your free profile or log in to save this articleNov. 29, 2012, 7:39 PM UTCBy msnbc.com technology & scienceArchaeologists say they were used in pits or directly in pot over 1,000 years agomsnbc.com technology & science