In South America, Researchers Work to Save a Disappearing History of Movement
Teams of scientists are hurriedly attempting to save ancient sites that could provide insights into how people moved across Mesoamerica—before they are lost forever.
Barbara Fraser is a freelance journalist from the United States who has lived in Peru for more than 25 years. She specializes in issues related to the environment, public health, and indigenous peoples. Her work has appeared in Nature, Science, and other publications.