Colleen Bertoni, Award Winner (IMAGE) DOE/Ames National Laboratory Caption Ames Laboratory Ph.D. student Colleen Bertoni is awarded Margaret Butler Fellowship. Credit Argonne National Lab 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.