Competitive national research is the focus of the lab's mission. The Argonne National Laboratory is an energy research center that concentrates in the four main areas of the synchrotron X-ray source, energy and environmental science and technology, engineering research, and physical research. Divisions, centers and research facilities of the lab are listed and described within these pages. Users can discover the latest advancements in technology, energy science, and medicine. Scientists looking for work can check out the jobs and research-opportunities link.