Magnified Views of Fingerprints (IMAGE) Proceedings of the National Academy of Sciences Caption Magnified views of fingerprints found on fragments of 11th-century AD jars from the US Southwest enabled archaeologists to determine the sex of the potter. Credit John Kantner 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.