Ancient poop helps show climate change contributed to fall of Cahokia

Last year, White and a team of collaborators—including his former advisor Lora Stevens, professor of paleoclimatology and paleolimnology at California State University, Long Beach, and University of Wisconsin-Madison Professor of Anthropology Sissel Schroeder—showed they could detect signatures of human poop in lake core sediments collected from Horseshoe Lake, not far from Cahokia’s famous mounds.