Women have a slightly higher average IQ than men.
164
Roughly a quarter of the world's people live in China.
50
Men are more attracted to women whose bone structure is similar to their own mothers. It's called "sexual imprinting".
18
The single biggest predictor of love is proximity.
30
44% of kids watch television before they go to sleep.
106
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
47% of people have a nightmare at least once a month.
186
Only about 2% of the world population has green eyes.
36