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 ragweed plant can release as many as one billion grains of pollen!
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Optical illusions occur when what the eyes see conflicts with what the brain expects.
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There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
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At room temperature, the average air molecule travels at the speed of a rifle bullet.
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Billions of neutrinos pass unnoticed through your body every second.
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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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Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
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