The world's shortest man measures only 21.5 inches.
73
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Pain occurs when sounds are above 130 db.
124
Early American humans hunted car-size armadillos and used their shells for houses.
12