STS035-15-035 (2-10 Dec 1990) --- STS-35 crewmembers perform a microgravity experiment using their drinking water while on the middeck of Columbia, Orbiter Vehicle (OV) 102. Mission Specialist (MS) Jeffrey A. Hoffman (left) has released some water from a drinking container which he holds in his hand. MS John M. Lounge (wearing glasses, center) and Payload Specialist Samuel T. Durrance along with Hoffman study the changing shape and movement of the sphere of water.