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 housewife walks 10 miles a day around the house doing her chores.
100
Children grow faster in the springtime than any other season during the year.
108
Yu Youzhen, a Chinese millionaire, works as a street sweeper for the sanitation department to set an example for her children.
11
Half of all Americans over the age of 55 have no teeth.
39
Muhammad is the most common name in the world.
96
Men fall in love faster than women do.
32
The Japanese commonly put ketchup on their rice.
16