Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
The average person will go on a date at least 100 times before they finally marry.
33
If the human eye was a digital camera, it would have 576 megapixels.
25
Your heart will pump about 212 million liters in its lifetime.
26
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The human brain doesn't stop developing until about 25 years old.
102
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139