Add Yahoo as a preferred source to see more of our stories on Google. May is almost here, bringing warmer weather and various holidays, such as Mother's Day, Memorial Day and Cinco de Mayo. While ...

Today is Cinco de Mayo. And this year, the fifth of May is filled with mathematical joy. It is — Square Root Day! It all started in 1981. "I was writing a check in late August," says Ron Gordon, who ...

In the 36 years since its creation, Pi Day has become a widely celebrated holiday, one that is not just for math nerds or those with a sweet tooth. The holiday always falls on March 14, but retired ...

Square root days happen only a few times in a century, and the man who brought the day fame is celebrating his sixth one. Be square and get to the root of it! Celebrate Square Root Day today! Today is ...