The human sigh acts as a physiological reset button.
23
The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
130
You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
11
Human hair and fingernails continue to grow after death.
7
One out of 20 people have an extra rib.
66
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
The tongue is the strongest muscle in the human body.
50