Only 1% of bacteria cause disease.
45
Foreign accent syndrome is a rare brain disorder which causes people to speak in a foreign accent involuntarily.
15
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
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Perspiration is odorless; it is the bacteria on the skin that creates an odor.
39
Dentists have recommended that a toothbrush be kept at least 6 feet away from a toilet to avoid airborne particles resulting from the flush.
104
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
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