Listeros, Here is the URL for the article; http://www.sciencemag.org/cgi/data/1154116/DC1/1 and a tiny URL; http://tinyurl.com/58nytu Mike Ruggeri Mike Ruggeri's The Ancient Americas Breaking News http://web.mac.com/michaelruggeri Mike Ruggeri's Pre-Clovis and Clovis World http://tinyurl.com/2m8725