About 400 different kinds of microbes live on and in the human body.
-3
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108
The lense of the eye continues to grow throughout a person's life.
34
The human brain has the capacity to store everything that you experience.
4k
Your hair grows faster in the morning than at any other time of day.
91
Midgets and dwarfs almost always have normal sized children.
54
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
If you unfolded your brain, it would cover an ironing board.
42