William Cresko, University of Oregon (IMAGE) University of Oregon Caption This is William Cresko, a biologist at the University of Oregon, in his office in January 2010. His lab teamed with a second UO lab on a comprehensive genetic comparison of populations of saltwater and freshwater threespine stickleback, finding regions of genes involved in their evolution. Credit Photo by Jim Barlow 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.