Multiple Department of Agriculture agencies showed off their scientific expertise at the fourth USA Science & Engineering Festival.
Shayle Williams, a physical scientist with USDA’s Grain Inspection, Packers and Stockyards Administration, Federal Grain Inspection Service, Technology and Science Division, Biotechnology and Analytical Services Branch, shows guests the various ways grain is tested, during the fourth USA Science & Engineering Festival at the Walter E. Washington Convention Center, in Washington D.C, on Friday, April 15, 2016.
(USDA photo)
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