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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Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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Cold water weighs more than hot water.
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One gallon of used motor oil can ruin approximately one million gallons of fresh water!
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Airports that are at higher altitudes require a longer airstrip due to lower air density.
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One 75-watt bulb gives more light than three 25-watt bulbs.
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