No, It's Not Your Imagination -- Your Dog Is Actually Feeling Jealous

Humans share basic emotions like anger, sadness, and joy with other animals. But for a long time, scientists argued that complex cognition is necessary for secondary emotions like jealousy and guilt. Owners see those emotions in their dogs all the time, however — and now it turns out they may be right. » 7/23/14 12:38pm Today 12:38pm