image: This is a sampling site atop a river bluff overlooking the Madre de Dios River in the Peruvian Amazon. This image relates to a paper that appeared in the June 15, 2012, issue of Science, published by AAAS. The paper, by Crystal H. McMichael at the Florida Institute of Technology in Melbourne, Fla., and colleagues was titled, "Sparse Pre-Columbian Human Habitation in Western Amazonia." view more
Credit: Image courtesy of Benjamin McMichael