ARLINGTON, Va.--(BUSINESS WIRE)--From a hearing aid powered by the body’s thermal energy to an external microbial cleansing device designed to capture pathogens in the blood stream, the young winners of the Toshiba/NSTA (National Science Teachers Association) ExploraVision competition have dreamed up a wide array of innovative technologies that could help build a better future. Today, the program announced the national winners of the world’s largest K-12 science and technology competition, whic
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