You can tape a small mirror onto a cone speaker, play music and shine a laser on to the mirror and the reflection will look like a laser light show on your wall.
102
There's a company in China that allows you to hire someone to stand in line for you for $3-$5 an hour.
14
Passengers on the Beijing subway can pay with plastic bottles.
29
There are more telephones than people in Washington, D.C.
121
The chills you sometimes feel when listening to music is called "musical frisson."
18
20252 is Smokey the Bear's own zip code.
35
Your fingernails grow faster in summer.
744
A pipe 2 feet in diameter will allow four times more fluid to pass through it than a pipe 1 foot in diameter.
20