Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Early American humans hunted car-size armadillos and used their shells for houses.
12
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
The human eye blinks an average of 4,200,000 times a year.
233
The average person will go on a date at least 100 times before they finally marry.
33
The human brain is more active during sleep than during the day.
28
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
160
