Scientists say they’re closer to getting to the ‘bottom’ of one of the biggest social quandaries… why do dogs enjoy sniffing each other’s butts so much? 

One explanation comes from the American Chemical Society which has a rather quirky take on the phenomenon!

Turns out this behavior is just one of many interesting forms of chemical communication in the animal kingdom. Dogs use a special feature called the Jacobsen's Organ to get chemical signals from their nose sent directly to their brain.


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