Sound travels about 4 times faster in water than in air.
408
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Most dust particles in your house come from dead skin.
48
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
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The sun is 330,330 times larger than the earth.
75
Hot water can freeze faster than cold water.
181
Aluminum used to be more valuable than gold!
84