Why Do We Have Leap Year? [Video]

Here it is again February 29th, that extra day that we slip in to the calendar. We know like the Presidential elections, the Olympics and Steve Holy having a hit record, leap years only occur every four years. Why is that?

Is the Earth slowing down? Are all of our calendars not quite on time? How come Hallmark doesn't make a card for a day like today? Wait they do make a Leap day Card? Relax, your questions are all answered in this really neat video presentation. Well the questions about Leap Year are answered and we also found out that the people at Hallmark will do anything for a buck.