Alex Gagnon Diving (IMAGE) University of Washington Caption Alex Gagnon collects foraminifera off California's Santa Catalina Island. Divers are attached to tethers, since it is easy to get disoriented in the open ocean where they cannot see the seafloor. Credit Bärbel Hönisch/Lamont-Doherty Earth Observatory Usage Restrictions With 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.