You can actually sharpen the blades on a pencil sharpener by wrapping your pencils in aluminum foil before inserting them.
209
The face of a penny can hold about thirty drops of water.
85
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
All the gold ever mined could be molded into a cube 60 feet high and 60 feet wide.
38
A million dollars weighs about a metric ton. Hence the expression "a ton of money."
66
Since 1982, a radio frequency emanating from Russia has been broadcasting a buzzer-like sound and, periodically, an unknown voice reads orders, names, and numbers. No one knows where exactly it is coming from or what it means.
13
Déjà vu occurs when your brain tries to apply a memory of a past situation to your current one, fails, and makes you feel like it's happened.
12
SONY was originally called 'Totsuken'.
70