Pre-Columbian transoceanic contacts, Mesoamerican archaeology Romeo H. Hristov, specialist on Mesoamerica. Graduate National School of Anthropology and History of Mexico, and Ph.D. (ABD) in Prehistory/Archaeology from the University of Salamanca, Spain

NASA uses remote sensing for archeology research in the Peten Guatemala, Arenal region of Costa Rica, and Chaco Canyon in New Mexico.

Ideas of nature never exist outside of a cultural context, and the meanings we assign to nature cannot help reflecting that context.