AdvertisementJaw Fossil In Ethiopia Likely Oldest Ever Found In Human Line03:38Download AudioResumeMarch 05, 2015Christopher JoycefacebookEmailWith the help of researcher Sabudo Boraru (right), anthropologist Chris Campisano, of Arizona State University, takes samples from the fossil-filled Ledi-Geraru project area in Ethiopia. The jawbone was found nearby. (Courtesy of J Ramón Arrowsmith)