RT Journal Article SR Electronic T1 Candidate Human Ancestor From South Africa Sparks Praise and Debate JF Science JO Science FD American Association for the Advancement of Science SP 154 OP 155 DO 10.1126/science.328.5975.154 VO 328 IS 5975 A1 Balter, Michael YR 2010 UL http://science.sciencemag.org/content/328/5975/154.abstract AB