Great research starts here. The UC San Diego Library, ranked among the nation's top 25 public academic libraries, plays a cri ... tical role in advancing and supporting the university's research, teaching, patient care, and public service missions. The world-renowned research for which UC San Diego is known starts at the UC San Diego Library, which provides the foundation of knowledge needed to advance cutting-edge discoveries in a wide range of disciplines, from healthcare and science to public policy and the arts. read more