Reef in a Tube (IMAGE) University of Hawaii at Manoa Caption Reef in a tube: researchers in the Marko Lab at the University of Hawai'i at Manoa use DNA from filtered water to quickly assess relative abundance of corals on local reefs. Credit Patrick K. Nichols 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.