Most liquid laundry detergents are alive with living organisms that help to break down stains!
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Iron weighs more after it rusts.
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Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
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The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
The Earth's atmosphere weighs about 5.5 quadrillion tons.
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One gallon of used motor oil can ruin approximately one million gallons of fresh water!
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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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