Does your dog understand you?

Does your dog pay attention to what you say? Thinking back to the last time it rolled in something stinky, or ran off with your socks, you may not be convinced. But new research from the University of Sussex shows that man's best friend is at least listening; and not only to what we say, but how we say it. Georgia Mills spoke to Victoria Ratcliffe, who tested over 200 willing canines...