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 ...

Quick: When was the last time you cleaned your belly button, a.k.a. your navel, a.k.a., that spot where you were once connected to your mother through an umbilical cord? I'm gonna guess not since your ...

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 ...

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 ...

Karl Kruszelnicki of the University of Sydney surveyed more than 4,500 people and determined that “you’re more likely to have BBL [belly-button lint] if you’re male, older, hairy, and have an innie.” ...