Why Are Dogs So Insanely Happy to See Us When We Get Home?

Unlike a certain companion animal that will go unnamed, dogs lose their minds when reunited with their owners. But it’s not immediately obvious why our canine companions should grant us such an over-the-top greeting—especially considering the power imbalance that exists between the two species.

Source: http://io9.com/why-are-dogs-so-insanely-happy-to-see-us-when-we-get-ho-1721329341