There are about 100,000 bacteria in one litre of drinking water.
63
There are about 1,400 different species of bacteria in your belly button.
10
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
251
On average, every dollar bill you touch has over 3,000 different types of bacteria.
8
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
Cash machines are as dirty as public toilets.
175
Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
