The WD in WD-40 stands for Water Displacer.
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Bullet proof vests, fire escapes, windshield wipers, and laser printers were all invented by women.
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In many countries, urine was used as a detergent for washing.
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Ice isn't slippery. What makes people and things slip on ice is water. A thin layer of ice melts when pressure is applied to it and it is this wet layer on top of the ice that is slippery.
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Stilts were invented by French shepherds who needed a way to get around in wet marshes.
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Sunflowers can be used to clean up radioactive waste.
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It is estimated that millions of trees in the world are accidentally planted by squirrels who bury nuts and then forget where they hid them!
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It is impossible to hum if your nose is plugged.
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