Why Do Dogs Smell Each Other's Butts?

Reactions Science Videos | July 28, 2014

We are getting to the bottom of one of the biggest quandaries in science: Why dogs sniff each other’s butts. 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. Check out our other videos and be sure to subscribe for more chemistry goodness.