Banging your head against a wall uses 150 calories an hour.
57
The chemicals indole and skatole, which help to account for the particular smell of human feces, are used as ingredients in perfume!
-3
About 400 different kinds of microbes live on and in the human body.
-3
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
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
Every year your body replaces 98% of your atoms.
119
It is almost impossible to sneeze with your eyes open. It is a defense mechanism that has evolved to protect our eyes from bacteria and debris.
164