NASA astronaut Nichole Ayers shows off biotechnology research hardware

iss073e0002615 (April 28, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Nichole Ayers shows off research hardware to study how microalgae grow in spaceflight conditions such as microgravity and radiation. Results from the biotechnology investigation may provide insights to support life support systems, fuel production, and food on future missions to the Moon, Mars, and beyond.