One in 500 humans has one blue eye and one brown eye.
145
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
The average American spends a third of their overall time online playing games and using social networks.
298
Babies crawl an average of 200m a day.
212
90 percent of women who walk into a department store immediately turn to the right.
134
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
The average woman uses her height in lipstick every 5 years.
146
Intelligent people have more zinc and copper in their hair.
233