Alista Daily How to celebrate Pi Day around Boston, whether you’re hungry for math or baked goods Posted: 14 Mar 2018 03:23 AM PDT How to celebrate Pi Day around Boston, whether you're hungry for math or baked goods Having fun on Wednesday is easy as... Jamie Lundberg, 9, from Weston enjoys a real pie before hundreds of people threw shaving cream pies in Boston City Hall Plaza in an attempt to break a Guinness Book of World Records for the most shaving cream pies tossed at one time. –John Tlumacki/Globe Staff( By Megan O'Brien 10:02 AM For an essential guide to the city, sign up for How to Boston , Boston.com's weekly culture and lifestyle newsletter. Wednesday is March 14. Or 3/14. Or 3.14. Whichever way you slice it, the mathematically minded view that as Pi Day. But math geeks aren't the only ones marking the quirky holiday on their calendars. Pi Day has become popular with schools and communities for learning...