A large scholarship currently holds that before the onset of anthropogenic global warming,
natural climatic changes long provoked subsistence crises and, occasionally, civilizational …

Latin America is the center of domestication and diversity of maize, the second most
cultivated crop worldwide. In this region, maize landraces are fundamental for food security …

Archaeologists increasingly use large radiocarbon databases to model prehistoric human
demography (also termed paleo-demography). Numerous independent projects, funded …

Maize is a cultigen of global economic importance, but when it first became a staple grain in
the Americas, was unknown and contested. Here, we report direct isotopic dietary evidence …

Recent decades have seen the rapid expansion of scholarship that identifies societal
responses to past climatic fluctuations. This fast-changing scholarship, which was recently …

The international scope of the Mediterranean wine trade in Late Antiquity raises important
questions concerning sustainability in an ancient international economy and offers a …

Classic Maya populations living in peri-urban states were highly dependent on seasonally
distributed rainfall for reliable surplus crop yields. Despite intense study of the potential …

Maya archaeologists have long been interested in understanding ancient diets because
they provide information about broad-scale economic and societal transformations. Though …

Climatic change appears to influence major patterns in human history. However, confirming
the association between climatic events and adaptive human responses is not …

Sustainability is a pressing concern for people and governments around the world, but it is
also an essentially contested concept that requires an understanding of the stakes, trade …