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.
51
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Women rate men more attractive if other women are looking and smiling at him.
17
Muhammad is the most common name in the world.
96
Most people smile when they are frustrated, according to a study.
15
The average person laughs 13 times a day!
108
47% of people have a nightmare at least once a month.
186