On average, the life span of an American dollar bill is eighteen months.
33
The symbol on the 'pound' key (#) is called an octothorpe.
82
Passengers on the Beijing subway can pay with plastic bottles.
29
No one knows Albert Einstein's last words. Just before he passed, he spoke several words in German, but his nurse only knew English.
154
30 years ago, you could buy a lifetime, unlimited first-class travel pass with American Airlines for $250,000.
14
Like fingerprints, everyone's tongue print is different.
250
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
Anuptaphobia is the fear of staying single.
11