Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
4.5 pounds of sunlight strike the Earth each day.
27
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
The earth is approx. 6,588,000,000,000,000,000 tons.
175
One third of the electricity produced on earth is used to power electric light bulbs!
75
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65