The average temperature at 40,000 feet above sea level is -60 F.
56
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
One barrel of petroleum holds 42 gallons.
20
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Scientists in Germany have developed a candy that doesn't cause cavities.
11