The human sigh acts as a physiological reset button.
23
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
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
Mushrooms are more closely related to humans than they are to plants.
47
Only humans shed emotional tears.
331
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
