Do you think you know everything there is to know about canines? Think again! Check out these 23 interesting facts you may have never heard:

1. Dogs have a sense of time. It's been proven that they know the difference between an hour and five. If conditioned to, they can predict future events, such as regular walk time.
   
    

Your pet brings so much joy to your life, but did you know that spending time with them could be better for your health? Many medical & psychological studies show that pet owners live a happier, healthier life than non-pet owners.