Photo Credit: -=RoBeE=- via Compfight cc
They decided this by observing dogs….um…doing their business outdoors for over two years. It seems that the scientists involved in the study realized that a majority of dogs align their spines to north south when squatting to poo. While there were certainly exceptions, it was amazing how true it was. So, grab a leash, a plastic bag, your pooch, and a compass and see whether it is true for you!
Click here to read more about the study.