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.
Credit: NASA Wallops. The NASA Goddard Space Flight Center's Wallops Flight Facility is a rocket launch site on the eastern shore of Virginia. The site includes the Mid-Atlantic Regional Spaceport, which can send off interplanetary and International Space Station missions.