Examining a track (IMAGE) Emory University Caption From left, Anthony Martin, Peter Swinkel and Melissa Lowery examine a track site. Credit Photo by Ruth Schowalter Usage Restrictions Must include credit License Original 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.