MENLO PARK, California, Aug. 7 -- The SLAC National Accelerator Laboratory issued the following news release: * * * The United States just got a new X-ray laser toolkit to study nature's mysteries Some of science's biggest mysteries unfold at the smallest scales. Researchers investigating super small phenomena - from the quantum nature of superconductivity to the mechanics that drive photosynthesis - come to the Department of Energy's SLAC National Accelerator Laboratory to use the Linac Cohe  more