While the U.S. may have 11 official federal holidays, there are actually thousands of quirky, themed days that make the ...

March 14 is often celebrated at Pi Day, but it's also the birthday of one of our greatest scientists whose work impacts us today.

Fittingly enough, the day is also Albert Einstein’s birthday. Here’s a little more about the holiday’s origin and how it’s celebrated today. What is pi? Pi can calculate the circumference of a circle ...

A s if math wasn't confusing enough, we have Pi to contend with. An irrational number that has no end. It sounds like an easy enough calculation in that it's the ratio of a circle ...