A fabulous bumper book of facts containing everything you ever wanted to know about sport, medicine, space, ghosts, inventions and much, much more! Did you know that... By the time a person turns fifty, their nails will have grown a total of two metres. When it first appeared, Coca Cola, without the fizz, was sold as a medicine. There are 400 billion stars in the Milky Way. In October 1997, a Yorkshire Terrier was rescued after being accidentally sucked up by a Swansea street-cleaning vacuum cleaner! There are said to be more ghosts per square mile in Britain than in any other country. A kangaroo can hop at up to 40 miles an hour. A sneeze can go up to 3.5 metres!