Tempe also contains one of the state's three major universities, Arizona State University, the Maricopa County Community College District administrative offices and the headquarters of Rio Salado Community College. Arizona State University is known for its numerous studies and innovations, particularly in the field of science which include furthering the knowledge of certain cancers, business management research, and population science. Tempe is also the home of several other schools, including the University of Phoenix, Brookline College, Southwest College of Naturopathic Medicine, Southwest Institute of Healing Arts, Bryan University and Lamson Junior College.