Sometimes people find a fuzzy little ball of fibers in their navel. Some refer to this as belly button lint, while others call it belly button fluff, navel lint, or navel fluff. In a 2012 study at ...

Belly buttons are most people's first scars, which form when doctors cut their umbilical cord after birth. Most innies are full of dozens of kinds of bacteria, fungi, and lint - especially if they're ...

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 ...

Navel fluff, also known as belly-button lint, is one of those small everyday mysteries that we often come across but hardly ever think about. How come it accumulates in the navel? Why is it that we ...

As much as science has come to understand the human body, it’s still full of mysteries. How do our brains generate consciousness? Why do our immune systems, as complex as they are, not realize that we ...