Written by Rita Thompson Pi Day is celebrated every year on March 14 in recognition of the mathematical sign, pi. The day was founded in 1988 by physicist Larry Shaw because of the numerical dates corresponding digits 3.14 (the first free digits of pi). Those of us who have surpassed our grade school days usually miss out on fun Pi Day activities that come with … [Read more...] about Have Your Pie and Smoke it Too: 5 Strains to Celebrate Pi Day