The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
Standard paper cannot be folded in half more than 7 times.
232
The worlds oldest piece of chewing gum is over 9000 years old!
122
You can actually sharpen the blades on a pencil sharpener by wrapping your pencils in aluminum foil before inserting them.
209
A million dollars weighs about a metric ton. Hence the expression "a ton of money."
66
There are more telephones than people in Washington, D.C.
121
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
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