A cubic yard of air weighs about 2 pounds at sea level.
31
For every gallon of sea water, you get more than a quarter pound of salt.
45
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Your brain is 80% water.
525
The sun is 330,330 times larger than the earth.
75
Aluminum used to be more valuable than gold!
84