image: This is a fossil footprint on the upper surface at FwJj14E. This image accompanied the report "Early Hominin Foot Morphology Based on 1.5-Million-Year-Old Footprints from Ileret, Kenya," by M.R. Bennett et. al. appearing in the Feb. 27, 2009, issue of Science. view more
Credit: Image courtesy of Professor Matthew Bennett, Bournemouth University, via <i>Science</i>/AAAS