Women have a slightly higher average IQ than men.
164
Boys who have unusual first names are more likely to have mental problems than boys with conventional names. Girls don't seem to have this problem.
131
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
47% of people have a nightmare at least once a month.
186
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82
Identical twins do not have identical fingerprints.
79
You share your birthday with at least 9 other million people in the world.
201