A Deep Dive into Microbes (1 of 2) (IMAGE) University of Delaware Caption Inside these test tubes are some of the microbes that UD researchers will be studying: Chlorobi from the Chesapeake Bay (red) and from a volcanic hot spring (green). In both magnified images, the darker objects inside the cells are chlorosomes, cigar-shaped antenna structures for harvesting light. Credit Shannon Modla/ University of Delaware Usage Restrictions Must credit Shannon Modla/ University of Delaware 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.