Enamel is hardest substance in the human body.
61
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
On average, there's 100 billion neurons in the human brain.
83
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Poor eyesight (myopia) is associated with higher IQ.
232