why do people like to kiss? Do other animals kiss?
- Written by Rob Brooks, Scientia Professor of Evolutionary Ecology; Academic Lead of UNSW's Grand Challenges Program, UNSW
ShutterstockWhy do people like to kiss? Do other animals kiss? Why are kisses so gross? — Gracie, age 5.
Gracie, you ask a question that puzzled me too when I was about your age. Why would two people want to smoosh their mouths together?
And I don’t just mean: “why does Aunty insist on kissing me to say hello when we visit for...






