Play-Doh was first manufactured as a wallpaper cleaner.
122
Japanese engineers were asked to redesign the front end of the Bullet Train because it carried enough speed to create a sonic boom whenever it exited a tunnel. Residents could feel the blast from miles away.
11
More than 50% of Americans fall asleep on their sides.
86
There are 635,013,559,599 possible hands in a game of bridge.
39
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
Los Angeles's full name is "El Pueblo de Nuestra Senora la Reina de los Angeles de Porciuncula"!
72
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130