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 person walks the equivalent of twice around the world in a lifetime
69
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
Over 98 percent of Japanese people are cremated after they die.
54
47% of people have a nightmare at least once a month.
186
Every three seconds, a new baby is born.
122
Only about 2% of the world population has green eyes.
36