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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One barrel of petroleum holds 42 gallons.
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Indoor pollution is 10 times more toxic than outdoor pollution.
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No matter how cold it gets, gasoline will not freeze.
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One gallon of used motor oil can ruin approximately one million gallons of fresh water!
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Your brain is 80% water.
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The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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