4.5 pounds of sunlight strike the Earth each day.
27
A ball of glass will bounce higher than a ball made of rubber.
73
Billions of neutrinos pass unnoticed through your body every second.
6
A cubic yard of air weighs about 2 pounds at sea level.
31
Each day, up to 150 species of life become extinct.
-23
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
One third of the electricity produced on earth is used to power electric light bulbs!
75
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199