Iron weighs more after it rusts.
68
One 75-watt bulb gives more light than three 25-watt bulbs.
57
4.5 pounds of sunlight strike the Earth each day.
27
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
A cubic yard of air weighs about 2 pounds at sea level.
31
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118