Biotechnology research and fire safety studies were the focus of Expedition 73 crew's schedule on the International Space Station.Astronauts conducted experiments involving DNA-inspired nanomaterials, psychological monitoring, and station maintenance.Research included testing Bio-Monitor garments, DNA Nano Therapeutics Mission, and Spectrophotometer setup for nanomaterial mixing.Crew members also worked on tasks such as installing fire safety experiment hardware, combustion research, and station maintenance.