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Graham Walker and his lab members conduct research on mechanisms cells use to tolerate DNA damage and the symbiosis between legumes and nitrogen-fixing rhizobia. His HHMI Education Group, in collaboration with Massachusetts Institute of Technology (MIT) faculty and MIT’s Office of Educational Innovation and Technology software developers, developed a suite of internationally used, freely available educational software called Software Tools for Academics and Researchers (STAR). The suite includes biology software tools such as StarBiochem, a three-dimensional protein viewer that enables students to learn key concepts in structural biology in an interactive manner, StarGenetics, a genetics experiment simulator, and StarCellBio, a new cell and molecular biology experiment simulator.