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.
Johnson Space Center. NASAâs Johnson Space Center has served as a hub of human spaceflight activity for more than half a century. It is home to the nationâs astronaut corps, the International Space Station mission operations, the Orion Program, and a host of future space developments. The center plays a pivotal role in enhancing scientific and technological knowledge to benefit all of humankind.