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 75-watt bulb gives more light than three 25-watt bulbs.
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A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
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There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
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Cold water weighs more than hot water.
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Sound travels about 4 times faster in water than in air.
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No matter how cold it gets, gasoline will not freeze.
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4.5 pounds of sunlight strike the Earth each day.
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