Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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Most dust particles in your house come from dead skin.
48
A cubic yard of air weighs about 2 pounds at sea level.
31
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Sound travels fifteen times faster through steel than through air.
134
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.
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Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1