NASA astronaut Nichole Ayers swaps physical science and crystalization research hardware

iss073e0030873 (May 14, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Nichole Ayers swaps hardware that promotes physical science and crystalization research inside the Advanced Space Experiment Processor-4 (ADSEP-4) aboard the International Space Station. The ADSEP-4 is supporting a technology demonstration potentially enabling the synthesis of medications during deep space missions and improving the pharmaceutical industry on Earth.