Roughly a quarter of the world's people live in China.
50
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
Approximately one-third of the population can't snap their fingers!
91
In a lifetime, an average person walks the equivalent of 5 equators
177
Awarding people money for doing well in IQ tests causes them to score better, $10 increased people's score by an average of more than 20 IQ points. IQ tests don’t just measure intelligence - they also measure effort.
9
Women who play video games tend to have more sex and be happier with their relationships than those who don’t.
18
Americans will spend more on cat food this year than baby food.
32