1) The speed of light is approximately 299,792,458 meters per second.

2) The world's first paper money was created in China over 1,000 years ago.

3) The world's tallest waterfall is Angel Falls in Venezuela, with a height of about 3,212 feet (979 meters).

4) The Bank of England, established in 1694, is the central bank of the United Kingdom and one of the oldest central banks in the world.