Yawns are more contagious among people with closer relationships.
163
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
The name "Wendy" was made up for the book Peter Pan!
142
Yu Youzhen, a Chinese millionaire, works as a street sweeper for the sanitation department to set an example for her children.
11
As many as one third Americans flush the toilet while they are still on it.
157
The average person falls asleep in seven minutes.
115