Lip kissing is an act that’s so natural and common in many present-day societies it is easily taken for granted. But it’s not actually clear whether people have always been kissing, or whether its ...

A kiss is one of the most universal gestures in the world. It’s a wordless way to show affection that transcends language, culture, and even species boundaries, conveying a great deal of meaning ...

Kisses add depth and meaning to our interactions. The peck is a quick, light kiss on the lips or cheek. It's a universal sign of affection, shared between friends, and family, or a gesture of greeting ...

A Babylonian clay model dated to 1800 B.C.E. shows a nude couple on a couch engaged in sex and kissing. The Trustees of the British Museum “My upper lip becomes moist, while my lower lip trembles! I ...