The structure of the nitro group. Nitro compounds are organic compounds that contain one or more nitro functional groups (â N O 2). They are often highly explosive, especially when the compound contains more than one nitro group and is impure.
Worlds Biggest Human Body Parts. Worlds Biggest Head. Sain Mumtaz has the most extraordinarily large head but what is causing its extreme growth and how Sain might be treated is a total mystery. This terribly disfigured man lives around 100km from the Pakistani city of Lahore on the road to the town of Narowal.
Contrary to popular belief, ostriches do not actually bury their heads in the sand. The ostrich, also known as Struthio camelus, is the largest type of bird in the world, often weighing more than 400 pounds (181.4 kg), and as tall as 8.9 feet (2.7 meters). It is a flightless bird, and is native to Africa.