image: A close-up photo of a biface as found in 14,550-year-old sediments at the Page-Ladson site. This material relates to a paper that appeared in the May 13, 2016, issue of Science Advances, published by AAAS. The paper, by J.J. Halligan at Florida State University in Tallahassee, Fla., and colleagues was titled, "Pre-Clovis occupation 14,550 years ago at the Page-Ladson site, Florida, and the peopling of the Americas." view more
Credit: Photo by J. Halligan