You will experience the billionth second of your life when you are 31 years old.
21
Yawns are more contagious among people with closer relationships.
163
Eskimos don't gamble.
78
People in parts of Western China put salt in their tea instead of sugar.
16
44% of kids watch television before they go to sleep.
106
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Men are more attracted to women whose bone structure is similar to their own mothers. It's called "sexual imprinting".
18
Thrity-five percent of the people who use personal ads for dating are already married.
102