Dogs are one of humanity's most-beloved animal companions. They share our homes and seem to reciprocate our affections. But could this emotional bond extend into feelings of jealousy? To help answer that question, a team of researchers gauged the reactions of a group of dogs when their owners appeared to shower attention on a perceived rival.http://feeds.feedburner.com/~r/sciencedaily/plants_animals/dogs/~4/J4s4NVt8ttE
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