From Scientific American:
... Newly discovered fossil footprints at a site in northern Tanzania on the shore of Lake Natron capture a moment in time around 120,000 years ago when a band of 18 humans—early members of our own species, Homo sapiens—traipsed across wet volcanic ash to an unknown destination. Brian Richmond of George Washington University unveiled the stunning find here on April 13 at the annual meeting of the Paleoanthropology Society.
Footprints are extremely rare in the human fossil record, and highly prized for the unique information they can reveal about the anatomy and behavior of our ancient relatives. Richmond and his colleagues found the new prints—more than 350 in all—in 2010 at the site, called Engare Sero. No animal prints were among them...
