Your genes determine the look of your navel. Mike Kemp/Tetra images via Getty Images by Sarah Leupen, University of Maryland, Baltimore County Everyone has one, but you might not know much about it. Here biologist Sarah Leupen, who teaches human and comparative animal physiology, explains the ins and outs of belly buttons. 1. Why do … Continued

The post Innies, outies and omphalophobia: 7 navel-gazing questions about belly buttons answered appeared first on New Pittsburgh Courier.