Plates Containing Colonies Of Algae (IMAGE) Princeton University Caption To build the library, researchers grew tens of thousands of strains of algae in plastic plates. The project, which took nine years, allows researchers to explore genes involved in photosynthesis and other aspects of plant biology. Credit Photo courtesy of the researchers Usage Restrictions Include credit: Photo courtesy of the researchers 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.