Add Yahoo as a preferred source to see more of our stories on Google. This number-themed day dates back to 1988, when physicist Larry Shaw decided to host a circle walk to honor the mathematical π ...

From the value of π to its connection with March 14 and Archimedes’ contribution, take this quick quiz to see how much you ...

Why are we asking this now? A French computer programmer has calculated pi to a world record of almost 2,700 billion decimal places. Fabrice Bellard said he did it for the programming challenge rather ...

Did you know there are holidays for almost everything? While the U.S. may have 11 official federal holidays, there are actually thousands of quirky, themed days that make the calendar a whole lot more ...