Catalina Curceanu (IMAGE) Foundational Questions Institute, FQXi Caption Catalina Oana Curceanu is searching for signs of radiation emanating from a lead target. Credit Catalina Curceanu Usage Restrictions Free to use if properly attributed. 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.