Forbes contributors publish independent expert analyses and insights. Mark Travers writes about the world of psychology. "First kiss beliefs" include idealized beliefs that your first kiss with a new ...

Kissing is a mystery. Science doesn't entirely understand why people do it. Theories abound, but the puzzle remains largely unsolved. Only two other species kiss, chimpanzees and bonobos. But only the ...

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 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 ...

Sophie Lund Rasmussen has received funding from the Edubba Foundation and the Carlsberg Foundation. Troels Pank Arbøll has received funding from the Edubba Foundation and the Carlsberg Foundation. Lip ...