Over the last two centuries, advances in computer technology have transformed the way we live our lives. How much do you know about these icons of the industry?

A Stock Symbol - or Ticker - is a series of characters (usually letters) that represent the company on a stock exchange. Most are simple abbreviations of the company name but some are more creative than that. Test your knowledge of some of the best ticker symbols with these multiple choice questions...

The history of aviation is packed full of amazing aircraft, used both commercially and in military operations. How much do you know about these magnificent flying machines?

History is illuminated by the amazing discoveries of science! Test your knowledge of some of our most famous scientists with these multiple choice questions.