Sampling Bottles (IMAGE) NOAA Fisheries West Coast Region Caption Scientists lower a set of sampling bottles into the ocean off the West Coast, collecting water to examine for traces of DNA. Credit Collin Closek, Stanford University Usage Restrictions CREDIT: Collin Closek, Stanford University 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.