Barbara Block, Stanford University (IMAGE) Stanford University Caption This is Barbara Block, the Charles and Elizabeth Prothro Professor in Marine Sciences at Stanford University and Senior Fellow, by courtesy, at the Woods Institute for the Environment. Credit Linda A. Cicero / Stanford News Service 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.