Morgan Riggins and Katelyn Tuttle, Kecoughtan High School students, learn about the use of mathematics in web design at the MathAlive! exhibit at the Virginia Air and Space Center in Hampton, Va., Oct. 20, 2016. MathAlive! stresses the importance of teaching science, technology, engineering and mathematics or STEM, in a way that children can relate to. (U.S. Air Force photo by Airman 1st Class Kaylee Dubois)