It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Babies cry but they don't produce tears until one to three months after birth.
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Studies show that financially stable men prefer smaller breasts.
16
There are 189 people named 'Lol' in the U.S.
11
Two in five people in the world marry their first love.
270
Every workday, 6.7 million people commute to Manhattan!
26
76% of Americans celebrate New Year's Eve in groups of less than 20.
55