Potsherds (image) Kumamoto University Share Print E-Mail Caption Pottery fragments containing the cockroach impression described in the article. Credit Prof. Hiroki Obata Usage Restrictions This image may only be used in conjunction with the accompanying release, or stories written about the work described in the release. Share Print E-Mail 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.