Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
Contrary to popular belief, plastic cutting boards are more likely to harbor bacteria than wood ones. New plastic boards are easier to clean, but ones with cuts are nearly impossible to completely disinfect, whereas wood ones absorb and kill bacteria, regardless of age or use.
13
Drying your hands with paper towel will reduce the bacterial count by 45 - 60% on your hands. However, using a hand dryer will increase the bacteria on your hands by up to 255% because it blows out bacteria already living in the, conveniently, warm moist environment.
26
On average, every dollar bill you touch has over 3,000 different types of bacteria.
8
Cash machines are as dirty as public toilets.
175
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
251
There are about 1,400 different species of bacteria in your belly button.
10