Most people smile when they are frustrated, according to a study.
15
Roughly a quarter of the world's people live in China.
50
Men fall in love faster than women do.
32
Men are more attracted to women whose bone structure is similar to their own mothers. It's called "sexual imprinting".
18
Only 10-20% of the population can wiggle their ears and raise one eyebrow.
22
Women who play video games tend to have more sex and be happier with their relationships than those who don’t.
18
Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
58