The world's youngest parents were 8 and 9 and lived in China in 1910.
130
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
According to the American Society for Microbiology, 90% of women and 75% of men wash their hands after using a public restroom.
170
Approximately 365 million people in the world have computers while half of the world's 6.5 billion population has never seen or used a telephone.
75
Girls have more tastebuds than boys.
124
The average person falls asleep in seven minutes.
115
90 percent of women who walk into a department store immediately turn to the right.
134