July 17th, 2014
2. Fecal matter. No matter how much time you spend on the paperwork, there's always a little left behind . . . about a tenth of a gram, unless you're messy. That gets into your underpants, and when you throw them in the washing machine it spreads to the rest of your laundry.
3. Belly button bacteria. Your belly button collects a lot of exotic bacteria . . . about 2,000 different species at any given time. In fact, researchers found bacteria in people's navels that are usually found only in the polar ice caps and thermal vents.