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.
3. CN Tower, Canada - 1,815 Feet. At number 3 on the list of the world's tallest towers is the CN Tower in Toronto, Canada. At the time of its completion in 1976, the building was widely considered to be the world's tallest tower and free-standing structure.