Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
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During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
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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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If the chemical sodium is dropped into water it will immediately and violently explode.
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The Earth's atmosphere weighs about 5.5 quadrillion tons.
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One third of the electricity produced on earth is used to power electric light bulbs!
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The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
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Indoor pollution is 10 times more toxic than outdoor pollution.
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