Hey, it's Pi Day! That's right, March 14 every year is celebrated by folks everywhere because it's 3/14 or, like the first three digits of Pi, 3.14. So we all joke around with Pi pies and pizza ...

Pi Day was founded in 1988 by physicist Larry Shaw of the Exploratorium museum in San Francisco, but it didn’t become a nationally recognized holiday until 2009.March 14 also happens to be the ...