Most dust particles in your house are made from dead skin!
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A cubic yard of air weighs about 2 pounds at sea level.
31
Airports that are at higher altitudes require a longer airstrip due to lower air density.
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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
Scientists in Germany have developed a candy that doesn't cause cavities.
11
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17