From sex and celebrity to science and sport - Number Freaking provides the answers to every question you never needed to ask. - When will America collide with Japan? - Why did Elvis really die? - What's a decent girlfriend worth? - Which is more crowded: Jakarta, Ikea or Hell? - How many people on Earth are drunk right now? Discover for yourself how far you walk in a lifetime, how many people have ever lived and how to cure world debt in the ultimate guide to modern life.