A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
Early American humans hunted car-size armadillos and used their shells for houses.
12
The world's shortest man measures only 21.5 inches.
73
