Between humans, a kiss on the mouth or cheek is a clear signal of warm feelings. But what’s going on in a dog’s brain when it plants a slobbery lick on a person’s face or hands? There’s no single ...

For thousands of years, humans have selectively bred dogs to fulfill specific roles, ranging from guarding and hunting to herding and companionship. This deliberate shaping of traits has resulted in ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Between humans, a kiss on the mouth or cheek is a clear signal of ...