Coco Muth, 6, right, touches a foaming mixture resulting from a chemical reaction composed of dish soap, baking soda, water and yeast during a science, technology, engineering and mathematics workshop January 26, 2019, in the Grand Forks Public Library. Muth was one of several children who attended the STEM workshop hosted by Grand Forks Air Force Base, North Dakota, which was designed specifically for mothers to learn alongside their daughters about electrical, mechanical and chemical engineering. (U.S. Air Force photo by Senior Airman Elora J. Martinez)