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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Iron weighs more after it rusts.
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One 75-watt bulb gives more light than three 25-watt bulbs.
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The left ear is more responsive to words of love and emotion whispered into it than the right.
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Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
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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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Aluminum used to be more valuable than gold!
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One gallon of used motor oil can ruin approximately one million gallons of fresh water!
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