LuisArroyo (IMAGE) West Virginia University Caption Luis Arroyo, analytical chemist and associate professor, Department of Forensic and Investigative Science, WVU Eberly College of Arts and Sciences Credit WVU Photo/Matt Sunday Usage Restrictions NONE 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.