NASA astronaut Nick Hague works with a student experiment

iss059e068212 (5/20/2019) --- NASA astronaut Nick Hague is photographed with the CASIS PCG-14 investigation in the Destiny module of the International Space Station (ISS). The Wisconsin Crystal Growing Contest-Wisconsin Space Crystals (CASIS PCG 14) teaches middle and high school students the unique engineering research and operations of the space program. The investigation allows students to understand the capabilities and constraints of conducting an experiment in microgravity.