All About Odd Day: 05/07/09

Feeling odd? You're not alone. Today, 05/07/09, is worldwide Odd Day, an event that happens only six times a century when a date consists of three consecutive odd numbers. Odd Day first occurred in this century on ... continue

Square Root Day: Win $339 For Being a Math Maniac

It's Square Root Day 2009! For you non-geek types, that means the current month and date add up to the year: 3/3/09. Don't downplay the significance, either--Square Root Day happens only nine times per century. Square Root Day ... continue