A pipe 2 feet in diameter will allow four times more fluid to pass through it than a pipe 1 foot in diameter.
20
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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The original game of "Monopoly" was circular.
230
Los Angeles's full name is "El Pueblo de Nuestra Senora la Reina de los Angeles de Porciuncula"!
72
In an average hour, there are over 61,000 Americans airborne over the United States.
24
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
29
The yin-yang pattern's earliest use is in Rome - not China!
125
By peeing in the shower, you can save 1,157 gallons of water a year.
31