Movies and television make a lot of things look really romantic. When I was young and impressionable, pop culture taught me that kissing in the rain was about 100 times better than kissing in any ...

The music swells. On-screen, the two main characters' eyes meet. They lean in, and — slowly! — their lips gently press in a romantic kiss. All the teenage girls in the audience exhale audibly.

(CNN) — “The meeting of lips is the most perfect, the most divine sensation given to human beings, the supreme limit of happiness.” So wrote the 19 th century French author Guy de Maupassant in his ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. “The meeting of ...