You will experience the billionth second of your life when you are 31 years old.
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There's an isolated tribe in Zimbabwe where the people have only two toes, dubbed the 'ostrich people'.
10
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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The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8
Most people smile when they are frustrated, according to a study.
15
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 American/Canadian drinks about 600 sodas a year!
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