Don't know how your dog is feeling? Check his eyebrows.

 I would love to know what my dog is thinking or feeling.

 Apparently, someone does know, or at least has an inkling.

 I recently stumbled upon an essay in the Wall Street Journal titled, “What does it feel like to be a dog?” The piece was written by Dr. Alexandra Horowitz who runs a dog cognition lab Barnard College. It’s a fascinating look at whether dogs experience emotions comparable to our ow...