Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Sitting straight upright in your chair is bad for your back. You should instead slouch at an angle of 135 degrees.
10
Household bleach is the recommended chemical to decontaminate people exposed to the anthrax virus, by the U.S. F.D.A.
16
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Only 1% of bacteria cause disease in humans!
2
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
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
