Navel stones are an accumulation of sebum and keratin that can resemble a large blackhead in your belly button. A navel stone is a hard, stone-like object that forms inside your belly button (navel).

Belly buttons are naturally different and can be round, wide, deep, or many other variations. Surgical procedures may help if there’s an issue you’re concerned about. Share on Pinterest A navel or ...

1. Why do I even have a belly button? Your belly button, or navel – clinically, your umbilicus – is the permanent scar left from where your umbilical cord connected your circulatory system, when you ...

As an exercise in scientific navel-gazing, Georg Steinhauser’s experiment takes some beating. Starting in 2005, Steinhauser – then a chemist at the Vienna University of Technology – collected pieces ...

(THE CONVERSATION) – 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 ...