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 ...

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 ...

Dr Karl Kruszelnicki, the man responsible for demystifying belly button lint, has been awarded an Australia Day Honour for his work as a science communicator. Dr Karl's appointment as a Member of the ...

Good thinking, Craig. Why waste this valuable resource? And why stop at lint? Think of the environmentally sensitive duds one might make from used dental floss, or the hair fished from bathtub drains.