It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Women who are romance novel readers are reported to make love 74% more often with their partners than women who do not read romance novels.
136
The average person will go on a date at least 100 times before they finally marry.
33
76% of Americans celebrate New Year's Eve in groups of less than 20.
55
Infants spend more time dreaming than adults do.
102
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
More redheads are born in Scotland than in any other part of the world.
85