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 ...

Happy Pi Day to you. STEVEN STROGATZ: Likewise. IRA FLATOW: Dr. Steven Strogatz, professor of math at Cornell University and co-host of Quantum Magazine’s podcast The Joy of Why. Dee Peterschmidt is a ...

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 ...