Identical twins do not have identical fingerprints.
79
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
One in 500 humans has one blue eye and one brown eye.
145
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
The world's tallest man reached 8 feet 11 inches at 21.
202
The average American spends a third of their overall time online playing games and using social networks.
298
The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8