An Acoustic Data aLogger for Dolphins (IMAGE) Duke University Caption This is one of the seafloor data loggers used to record underwater sound in a new study of human interactions with spinner dolphins in Hawaii. Credit Duke University 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.