It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
The typical person spends about 600 hours having sex between the ages of 20 and 70.
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Women who play video games tend to have more sex and be happier with their relationships than those who don’t.
18
Yu Youzhen, a Chinese millionaire, works as a street sweeper for the sanitation department to set an example for her children.
11
Approximately 4 to 5% of the U.S. population has one or more clinically significant phobias in a given year. Specific phobias occur in people of all ages. The average age of onset for social phobia is between 15 and 20 years of age, although it can often begin in childhood.
30
People in parts of Western China put salt in their tea instead of sugar.
16
The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8
A chance of a woman having twins is increased after the age of 35. About 1 in 27 women will give birth to twins after this age. After 50 the chances of having twins is 1 in 9.
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