Stone tools and butchered (or scavenged) mastodon bones found at the Page-Ladson site, Florida, show ancient humans lived in the southeastern United States 14,550 years ago — at least 1,500 years earlier than previously suspected, according to a team of archaeologists. Paleo-Indians hunting a glyptodont, a relative of the armadillo that lived during the Pleistocene epoch. By Heinrich Harder, 1920. In the 1980-90s, David Webb and co-author James...
 