In a year approximately 900 million trees are cut down to make the raw materials needed for American pulp mills and paper.
-16
When glass breaks, the cracks move faster than 3,000 miles per hour. To photograph the event, a camera must shoot at a millionth of a second!
114
More than 50% of Americans fall asleep on their sides.
86
A typical lead pencil can draw a line that is 35 miles long.
158
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Oak trees can live 200 or more years.
61
