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 Little Dipper is located next to the Big Dipper with part of the Draco constellation in between. Polaris, which is located at the north celestial pole, marks the end of the Little Dipper's handle. The rest of the dipper revolves around Polaris like every other star in the sky, so the hardest part is finding Polaris. The location of Polaris in the night sky depends on your latitude on Earth.