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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Most liquid laundry detergents are alive with living organisms that help to break down stains!
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For every gallon of sea water, you get more than a quarter pound of salt.
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0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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Indoor pollution is 10 times more toxic than outdoor pollution.
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The hair of an adult man or woman can stretch 25 percent of its length without breaking.
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A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
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