It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
All babies are color blind when they are born.
114
76% of Americans celebrate New Year's Eve in groups of less than 20.
55
47% of people have a nightmare at least once a month.
186
Half of all Americans over the age of 55 have no teeth.
39
Over 50% of lottery players go back to work after winning the jackpot.
71
The Japanese commonly put ketchup on their rice.
16
As many as one third Americans flush the toilet while they are still on it.
157