What exactly is a Leap Year? Let's find out!

(CBS) - Tomorrow is Leap Day... but what exactly is that? And why do we have Leap Years? What is this crazy system we have that suddenly adds an extra day to our year periodically? All of these questions and more will be explained in the above video.

Once again our favorite informer of just about anything and everything under the sun, C.G.P. Grey (who has been featured here on The Feed countless times now), comes to the rescue with an informative video that helps us understand this crazy world we live in. And we here at The Feed thank you, again, for helping us to broaden our minds in a way we can all understand, C.G.P. Grey!