The yin-yang pattern's earliest use is in Rome - not China!
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A pipe 2 feet in diameter will allow four times more fluid to pass through it than a pipe 1 foot in diameter.
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Sunflowers can be used to clean up radioactive waste.
17
You can immediately cool down a car that has been sitting under the sun by rolling down the window on one side and opening-closing the door on the other side 5-6 times.
23
In the White House, there are 13,092 knives, forks and spoons!
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By peeing in the shower, you can save 1,157 gallons of water a year.
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The majority of suicides occur on a Monday.
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Babies who wear disposable diapers are five times more likely to develop diaper rash than those that wear cotton diapers.
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