Prehistoric food globalization spanned three millennia

Peasant farmers began transforming diets across the OId World 7,000 years ago, study finds

Snip -- "An international team of scientists, led by Xinyi Liu of Washington University in St. Louis, has consolidated findings from hundreds of these studies to plot a detailed map of how ancient cereal crops spread from isolated pockets of first cultivation to become dietary staples in civilizations across the Old World." For the full article, please click here.