The Earth's atmosphere weighs about 5.5 quadrillion tons.
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German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
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The earth is approx. 6,588,000,000,000,000,000 tons.
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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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Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
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Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
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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.
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