Stories centered around true love's kiss might be tales as old as time. And, according to a new study, kisses might even have been around before humans walked the earth.

Humans kiss each other platonically and romantically , and kisses are a huge part of pop culture , even the main subject of songs, movies, and books.

Humans kiss when they say hello, goodbye, apologize, celebrate, or when trying to be romantic.

But, despite the warm feelings kisses give humans, the act has bamboozled scientists.

"A comparative approach to the evolution of kissing," a study published by Evolution and Human Behavior on Nov. 19, aims to change that and even suggests that, like humans, the ancestors of apes and Neanderthals likely kissed , too.

"This is the first time anyone has taken a broad e

See Full Page