It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
You will experience the billionth second of your life when you are 31 years old.
21
Babies cry but they don't produce tears until one to three months after birth.
238
The average American eats at McDonalds more than 1,800 times in their life.
52
A man named Charles Osborne had the hiccups for approximately sixty-nine years.
79
People in parts of Western China put salt in their tea instead of sugar.
16
There are two credit cards for every person in the United States.
2
