MCLEAN, Va.--(BUSINESS WIRE)-- #ExploraVision--Returning for its 34th year of inspiring innovation in the next generation of scientists, the annual ExploraVision science, technology, engineering and mathematics (STEM) competition is now open for registration. The program, sponsored by Toshiba and administered by the National Science Teaching Association (NSTA), challenges students to use problem solving, critical thinking and teamwork to imagine solutions to real-life issues. Participants will have a chance to