Most dust particles in your house are made from dead skin!
67
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Each day, up to 150 species of life become extinct.
-23
The average temperature at 40,000 feet above sea level is -60 F.
56