For most of the world, today is March 14th, or 3/14. To most, that date doesn't have any special meaning. But to math nerds, it means today is Pi Day! There are a large variety of ways of celebrating Pi Day and most of them include eating pie and discussing the relevance of π. Jim Stingl writes: "Math geeks and calendar freaks collide today. Pi is 3.14, and the date is 3/14." By the way, today is also Albert Einstein's birthday. I'll get you started on pi: 3.141592653589793. The mathematical constant goes on without any repeating patterns right into infinity... Read more of Stingl's article Geometry fans rejoice - it's Pi Day Check out EducationalRap.com’s Pi Day Rap page, including quite a few Pi rap songs you can listen to. Lines like “If I’m buyin’ rims for a car – circumference – hey, yo, 2 Pi r…” Also, TeachPi.org has a Pi music page with downloadable lyrics to several songs. Leave a comment and tell me what is your favorite thing about Pi? Learn more about Pi Day from Wikipedia.