Study of dogs acting up suggests jealousy's roots deep

Posted: July 27, 2014 at 5:16 a.m.

Your dog wants all of your attention, but can it feel jealousy? The answer appears to be yes, according to a study published in the online science journal PLOS ONE. The findings won't surprise dog owners, but they mark an important shift in the way scientists study jealousy -- which remains one of humanity's most baffling emotions.

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