Story at-a-glance 1  -. The use of gadolinium-based contrast agents for enhanced MRIs has been linked to hypersensitivity in certain brain regions, with unknown consequences. 2  The use of gadolinium-based contrast agents is linked to the development of Nephrogenic Systemic Fibrosis (NSF) in patients with severe kidney disease.
Space Needle. The Space Needle is a tower in Seattle, Washington. It is at the Seattle Center. The Space Needle was built for the 1962 World's Fair. During this time, almost 20,000 people used the elevators every day. Over 2.3 million visitors came to the World Fair overall.
Marshall Space Flight Center is located on the U.S. Armyâs Redstone Arsenal in Huntsville, Ala. Access to Redstone Arsenal requires a decal and badge, and prior approval of the hosting. organization. For more information about visiting Marshall, please visit the Visitor Information page: