Originally a solution to the space problem, skyscrapers have come to symbolise ambition and transcendence. See how much you know about these iconic buildings.

Great architecture combines art and science to create structures of aesthetic appeal and functionality. Test your knowledge of this fascinating subject 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?

Undoubtedly one of our greatest inventions, the personal computer has played an increasingly important role since invading our lives in the early 1980s. See how much you know about these iconic machines with these multiple choice questions...