Oak trees can live 200 or more years.
61
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
The "Cobra Effect" is where a solution for a problem actually makes the problem worse.
21
If left alone, 70% of birthmarks gradually fade away.
193
The face of a penny can hold about thirty drops of water.
85
Coins usually survive in circulation for about 30 years.
66
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 are 635,013,559,599 possible hands in a game of bridge.
39