'Black drink': Scientists find evidence of ritual use of caffeinated brew at Cahokia
Monday, August 6, 2012 - 14:00
in Paleontology & Archaeology
People living 700 to 900 years ago in Cahokia, a massive settlement near the confluence of the Missouri and Mississippi Rivers, ritually used a caffeinated brew made from the leaves of a holly tree that grew hundreds of miles away, researchers report.