NASA astronaut Anne McClain swaps filters inside the Kermit microscope

iss073e0118086 (May 29, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Anne McClain works inside the Destiny laboratory module's Materials Science Research Rack and swaps filters inside the Kermit microscope. Kermit is an all-in-one fluorescence microscope system used to conduct biological, physical, and materials science research.