It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
The name "Wendy" was made up for the book Peter Pan!
142
Americans throw out 4.5 pounds of trash a day - twice that of 40 years ago.
76
City dwellers have longer, thicker, denser nose hairs than country folks do.
48
As many as one third Americans flush the toilet while they are still on it.
157
Yawns are more contagious among people with closer relationships.
163
About 3000 years ago, most Egyptians died by the time they were 30!
18