Mad Science day @ Carson City Library 2014
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Gracie Hale, 4, center, and Izabella Whitson, 5, help Radioactive Rachel with an experiment during the Mad Science program at the Carson City Library, in Carson City, Nev., on Tuesday, July 15, 2014.
Photo by Cathleen Allison
all images © Nevada Momentum
Northern Nevada photojournalist Cathleen Allison