Jess Creason

6 Flips | 2 Magazines | 7 Likes | 1 Follower | @JessCreason | Keep up with Jess Creason on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Jess Creason”

Evolution: Why do we have lips?

Human beings are unusual in that our mouths are surrounded by hypersensitive, easily-hurt pink tissue – why? Jason G Goldman investigates.<p>They kind of flap around on the front of your face, get dried out and chapped in the winter, and occasionally get caught up between your teeth and mistaken for …