It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
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
More boys than girls are born during the day; more girls are born at night.
120
Women end up digesting most of the lipstick they apply.
110
Muhammad is the most common name in the world.
96