Special high-speed winch (IMAGE) University of California - San Diego Caption A special high-speed winch that the researchers used to swiftly raise and lower instruments to track the dye’s movements underwater. Credit: San Nguyen Credit San Nguyen Usage Restrictions Must credit San Nguyen License Original 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.