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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One cubic foot of gold weighs more than 1,200 pounds!
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At room temperature, the average air molecule travels at the speed of a rifle bullet.
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German chemists made a replica of a trophy the size of one molecule.
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In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
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Research indicates that plants grow healthier when they are stroked.
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Most dust particles in your house come from dead skin.
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