Yu Youzhen, a Chinese millionaire, works as a street sweeper for the sanitation department to set an example for her children.
11
Yawns are more contagious among people with closer relationships.
163
There are about 255 babies born worldwide every minute.
46
44% of kids watch television before they go to sleep.
106
The average person falls asleep in seven minutes.
115
More than half the population of Kenya is under the age of 15.
71
Women who read romance novels have sex twice as often as those who don't.
101
A man is more likely to get a woman's phone number if he is accompanied by a dog.
20