That's a large part of why these smiling dog memes are so effective. The other part? They're just out-and-out funny. We ...

Watching this dog’s truly unique but adorable “happy smile” on repeat could heal your soul from within. An Instagram video of ...

Watching this dog’s truly unique but adorable “happy smile” on repeat could heal your soul from within. An Instagram video of a mini Dachshund named Pippa’s extraordinary smile went viral ...