Singapore only has one train station.

The Eiffel Tower has 2,500,000 rivets in it.

The Eiffel Tower has 1792 steps.

It takes about 20 seconds for a red blood cell to circle the whole body.

Every year, the Moon moves a further 3.82cm from the Earth.

Every minute in the U.S. six people turn 17.

There are more than 100 chemicals in a cup of coffee.

Blue and white are the most common school colors.

On average, a 4-year-old child asks 437 questions a day.

The tip of a 2cm long hour-hand on a wristwatch travels at 0.00000275 mph