Only humans shed emotional tears.
331
There are 2,500,000 rivets in the Eiffel Tower.
98
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
There are 53 Lego bricks manufactured for each person in the world.
83
The French named one of their aircraft carriers after Ferdinand Foch, a man who once said "Airplanes are interesting toys but of no military value".
10
If you get water flowing fast enough, it can cut metal.
354
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22