Dyche Mullins, Marine Biological Laboratory (IMAGE) Marine Biological Laboratory Caption MBL Physiology Course Co-Director Dyche Mullins explains a concept to 2010 students. Credit Tom Kleindinst Usage Restrictions Please use with proper credit 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.