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 International Space Station is a modular space station put into orbit around Earth in November, 1998. How much do you know about this fascinating space laboratory?

Named from a portmanteau of the words ‘microcomputer’ and ‘software’, Microsoft is a multinational technology company developing both software and hardware. Test your knowledge of one of the world’s best known brands with these multiple choice questions...

Every element in the period table has a symbol but some are more obvious than others. Can you name these ten elements from their chemical symbols?