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.
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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.
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At room temperature, the average air molecule travels at the speed of a rifle bullet.
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Indoor pollution is 10 times more toxic than outdoor pollution.
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Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
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A 'jiffy' is an actual unit of time for 1/100th of a second!
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A cubic yard of air weighs about 2 pounds at sea level.
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