Most dust particles in your house are made from dead skin!
67
The average temperature at 40,000 feet above sea level is -60 F.
56
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
One cubic foot of gold weighs more than 1,200 pounds!
78
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
One barrel of petroleum holds 42 gallons.
20
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
In zero gravity, a candle's flame is round and blue.
16