By weight, Bone is five times stronger than steel.
417
Enamel is hardest substance in the human body.
61
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
Your thumb is about the same size as your nose.
124
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
Poor eyesight (myopia) is associated with higher IQ.
232
Obsessive nose picking is called Rhinotillexomania.
101
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89