File:HumanFootprintFossils.jpg

Summary
Artificially-colored laser scans of fossils show the earliest discovered human footprints on a riverbank near Ileret, Kenya made 1.5 million years ago by an ancestor of Homo erectus called Homo ergaster.

IMAGE CREDIT: M. Bennett/Bournemouth Univ., found at: Science News, © Society for Science & the Public 2000 - 2009  All rights reserved.