Happy Pi day!  It’s March 14, or 3/14, the first three digits in the decimal expansion of Pi.

This only works for those of us living in Belize, Micronesia, Palau, Philippines, the US, and sometimes, Canada. The 95% of the world that more logically puts the day first thinks of today as 14/3. They’ll have to wait until July 22, but will have the consolation of knowing that 22/7 is a better approximation of Pi than 3.14.

As a gift for today, New Scientist offers five tasty facts about the famous ratio “We did consider giving you 3.14 facts but alas we had five…”