Roughly a quarter of the world's people live in China.
50
There are two credit cards for every person in the United States.
2
Infants spend more time dreaming than adults do.
102
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
Children grow faster in the springtime than any other season during the year.
108
Babies that are breastfed are more likely to be slimmer as adults than those that are not breastfed.
110
On average a woman has 4 sexual partners in her lifetime.
-143
