On the cover: Plant Pathologist Amit Mitra and Research Technologist Shirley Sato load a dish of wheat callus tissue into a gene gun, which is used to insert genes into cells. Mitra, a molecular biologist, is working to insert an anti-viral system found in mammals into wheat to help fend off a broad range of viral diseases. The system appears promising and could be a major step toward instilling virus resistance in other plants as well as wheat. Click here to go to this article. Photo by Carson Fiske