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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Each day, up to 150 species of life become extinct.
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In zero gravity, a candle's flame is round and blue.
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Iron weighs more after it rusts.
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Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
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The left ear is more responsive to words of love and emotion whispered into it than the right.
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When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
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One 75-watt bulb gives more light than three 25-watt bulbs.
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