Apparently, dogs really are man's best friend. They even know when you're feeling blue.
A small study in the journal Learning and Behavior found dogs are more likely to rush to their owner's side when the owner makes crying sounds as opposed to speaking in a normal voice.
[Ads /]
That was true regardless of age, breed or training.
Scientists say the findings could help them understand what helps dogs, especially service dogs, to assist humans in times of need.