Capture Date: 2013-11-18T00:00:00Z

STS093-319-029 (23-27 July 1999) — Astronaut Jeffrey S. Ashby, pilot, works with the Space Tissue Loss-B experiment on Columbia’s middeck. The experiment is set up to observe cells in culture with a video microscope imaging system to record near-real-time interactions of detecting and inducing cellular responses (macromorphological changes).