The Department of Energy is the single largest Federal government supporter of basic research in the physical sciences in the United States, providing more than 40 percent of total Federal funding for this vital area of national importance. It oversees, and is the principal Federal funding agency of, the Nation’s research programs in highenergy physics, nuclear physics, and fusion energy sciences. Such a diverse research portfolio supports tens of thousands of principal investigators, postdoctoral students, and graduate students who are tackling some of the most challenging scientific questions of our era.

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