jsc2025e067422 97/9/2025) --- Agar plates for the GULBI investigation. This research uses special optical fibers to deliver ultraviolet (UV) light to inhibit the formation of microbial communities called biofilms and examine how microgravity affects the results. Credit: Arizona State University

jsc2025e067421 (7/9/2025) --- Individual components of hardware for the GULBI investigation, which examines how microgravity affects the ability of a type of ultraviolet (UV) light to prevent formation of large communities of microbes called biofilms. Credit: Arizona State University