A cubic yard of air weighs about 2 pounds at sea level.
31
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The sun is 330,330 times larger than the earth.
75
4.5 pounds of sunlight strike the Earth each day.
27