You can actually sharpen the blades on a pencil sharpener by wrapping your pencils in aluminum foil before inserting them.
209
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
More than 10% of the world's salt is used to de-ice American roads.
54
You burn more calories sleeping than you do watching television.
348
Oak trees can live 200 or more years.
61
There are more than 10 million bricks in the Empire State Building!
75
Seaweed can grow up to 12 inches per day!
59
In 21 U.S. states, WALMART is the single largest employer.
13