Tsunamis ( tidal waves ) travel as fast as jet planes.
97
Real diamonds do not show up on x-ray.
36
In Georgia, there is an airtight room called the Crypt of Civilization that was sealed in 1940. It contains numerous artefacts documenting what life was like at the time of sealing, and is scheduled to be opened in the year 8113 to show people of the future exactly what life was like.
13
The world’s smallest book, “Teeny Ted from Turnip Town”, is 100×70 micrometers in size and requires a scanning electron microscope to read, as light beams are too large.
6
Passengers on the Beijing subway can pay with plastic bottles.
29
There are 293 ways to make change for a dollar.
148
In Monopoly, the character locked behind the bars is called Jake the Jailbird. Officer Edgar Mallory sent him to jail.
65
You can start a fire with ice.
367