If I asked you to imagine your dream snog, chances are it wouldn't be with a Neanderthal; burly and hirsute as they may be.

"A comparative approach to the evolution of kissing," was published by Evolution and Human Behavior on Nov. 19 ...

New research suggests that kissing probably predates humanity and evolved between 16.9 million and 21.5 million years ago, after the ancestor of the great apes split from the lesser apes, or gibbons.