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.
The Kennedy Space Center Visitor Complex is the visitor center at NASA 's Kennedy Space Center in Florida.It features exhibits and displays, historic spacecraft and memorabilia, shows, two IMAX theaters, a range of bus tours of the spaceport, and the Shuttle Launch Experience, a simulated ride into space.he Kennedy Space Center Visitor Complex is the visitor center at NASA 's Kennedy Space Center in Florida.