Underwater Coral & Sponge (VIDEO) NOAA Headquarters This video is under embargo. Please login to access this video. Caption This is underwater footage of coral and sea sponges who have been used in development of natural product chemical compounds. Credit NOAA Ocean Media Center 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.