NASA Marshall Space Flight Center Director Jody Singer, left, explains how the Microgravity Science Glovebox functions, during the visit to Huntsville Oct. 3 by U.S. Secretary of Education Betsy DeVos, center. Looking on at the "ISS: Science on Orbit" exhibit, a replica of an International Space Station module at the U.S. Space & Rocket Center, is rocket center CEO Deborah Barnhart, right. DeVos interacted with Space Camp students at the rocket center as part of her “Rethink School� tour. Earlier in the day, DeVos visited the Payload Operations Integration Center at Marshall and listened to a recorded message from NASA astronaut Ricky Arnold about NASA’s Year of Education on Station.