When did kissing evolve and did humans and Neanderthals get off with each other? New research

We used this definition to trawl published scientific papers, searching for observations of kissing in the group of monkeys ...

Cavemen kisses: Scientists discover evidence ancient humans and Neanderthals SNOGGED 50,000 ...

Kissing is an ancient trait retained over the course of evolution amongst the large apes, reveal scientists at the University ...