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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When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
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The sun is 330,330 times larger than the earth.
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It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
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Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
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According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
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One gallon of used motor oil can ruin approximately one million gallons of fresh water!
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According to studies, men change their minds two to three times more often than women.
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