The ancient Maya used a vivid, remarkably durable blue paint to cover their palace walls, codices, pottery and maybe even the bodies of human sacrifices who were thrown to their deaths down sacred wells. Now a group of chemists claim to have cracked the recipe of Maya Blue.
A University of Cincinnati graduate student archaeologist theorizes that ancient Puebloans used a variety of food sources beyond maize. Her research will be presented at the annual meeting of the Society for American Archaeology.