ARLINGTON, Va.–(BUSINESS WIRE)–Toshiba and the National Science Teaching Association (NSTA) announced today the regional winners of the 30th annual ExploraVision program, the largest K-12 science competition designed to build problem-solving, critical thinking and collaboration skills that are central to the Next Generation Science Standards. This year’s regional winners’ projects include innovative ideas ranging from technology drones that help reduce the carbon footprint to virtual reality