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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Nylon is made from coal and petroleum.
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One cubic foot of gold weighs more than 1,200 pounds!
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It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
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The average home creates more pollution than does the average car.
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A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
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The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
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