Why Does a Dog Lick Its Nose?

Here is the question du jour – why does a dog lick its nose?  The Ark in Space has the answer (and it may not be the one that you assume) together with a large gallery of dogs being endearing while licking their noses. Just run with it. True, this may seem silly, yet there is a scientific reason behind this behavior. Pop over to the Ark in Space for a real cute fest and some science thrown in for good measure.

Image Credit Flickr User WoofBC