Epinephrine (ep-uh-nef-rin, -reen) is also known as adrenaline. It is a hormone that is secreted by the adrenal glands. (1, 3). Adrenalin, without the e, was originally used as a trademark for a product made by an American pharmaceutical firm Parke, Davis & Co.
The Burj Khalifa building in Dubai, United Arab Emirates is the world's tallest building. Completed in January 2010 with 160 stories which reach 2,716 feet (828 meters) high, it is a mix of Hotel/Residential/Office. Alexander Hassenstein/Getty Images.
1. Burj Khalifa. Since its completion in 2010, the world's tallest skyscraper has been Burj Khalifa in Dubai, United Arab Emirates. The building, which was designed by the architects Skidmore, Owings & Merrill, is a mighty 828 meters tall and has 163 floors. Burj Khalifa is one of Dubai's most famous buildings.