Ancient Engravings Rewrite History (VIDEO) Australian National University This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Dr. Stephen Munro explains how 400,000 year old patterns scratched on a mussel shell have rewritten human history. Credit ANU multimedia team Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.