NASA’s Glenn Research Center public engagement staff arrived in Minnesota for the Duluth Air and Aviation Expo, May 17-18, with several exhibits and two hometown stars who joined as part of a larger NASA presence. Duluthian Heather McDonald met with local students to talk about living and working in space and how she became the first female chief engineer of the International Space Station. During the STEAM Festival in Duluth, Heather McDonald talks with students about living and working in space and how she became the first female chief engineer of the International Space Station. Credit: NAS…