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.
These Are the World's 21 Tallest Buildings. Few things say that a city or a country has arrived more than a gleaming, awe-inspiring skyscraper. Few things say that a city or a country has arrived more than a gleaming, awe-inspiring skyscraper. Burj Khalifa.