Rodent Research-7 (RR-7): Today the crew completed the second of two days of rodent operations for the RR-7 investigation today. Crewmembers performed bone densitometer scans, blood draws, fecal pellet collections, and sampling operations. Following these operations, the crew performed clean-up activities in the Microgravity Science Glovebox (MSG) to prepare the facility for upcoming science. RR-7 …