The human brain doesn't stop developing until about 25 years old.
102
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
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
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
The largest cell in the human body is the female egg and the smallest is the male sperm.
682