A standard piano has 88 keys: 52 white and 36 black. But who decided this number would be the norm, and why? The king of instruments has played a significant role in music history. From concertos and ...

BBC Bitesize has plenty of exam board specific information to help you to prepare for your exams. BBC Bitesize is home to a range of exam specific guides to help kick start your GCSE revision ...

The $US156 billion real estate fund manager says the growing disparity between new and old office assets creates scope for profit – once values have fallen enough.