Yu Youzhen, a Chinese millionaire, works as a street sweeper for the sanitation department to set an example for her children.
11
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
It is estimated that at any one time, 0.7% of the world's population are drunk.
90
47% of people have a nightmare at least once a month.
186
‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
8
In one day an average person will take about 18,000 steps.
55
Women rate men more attractive if other women are looking and smiling at him.
17
The world's youngest parents were 8 and 9 and lived in China in 1910.
130