Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
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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
Out of all the senses, smell is most closely linked to memory.
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A cubic yard of air weighs about 2 pounds at sea level.
31
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
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
Iron weighs more after it rusts.
16
Most dust particles in your house come from dead skin.
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