It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
In a lifetime, an average person walks the equivalent of 5 equators
177
About 2/3 of American men prefer boxers to briefs.
83
Females learn to talk earlier, use sentences earlier, and learn to read more quickly than males.
119
The world's tallest man reached 8 feet 11 inches at 21.
202
Only 2% of the Earth's population are natural redheads.
13
95% of people feel uncomfortable when the TV volume is an odd number.
392
Research has determined that most people are happiest at 7:26pm on a Saturday night.
69