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 trigonometry to Pythagoras' theorem, there are plenty of mathematical terms you might remember from school – but could you actually answer a question now? After a survey found half of British ...

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 ...