Women rate men more attractive if other women are looking and smiling at him.
17
Most people smile when they are frustrated, according to a study.
15
Yawns are more contagious among people with closer relationships.
163
Women mature much faster than men.
1k
Roughly a quarter of the world's people live in China.
50
According to the American Society for Microbiology, 90% of women and 75% of men wash their hands after using a public restroom.
170
Every three seconds, a new baby is born.
122
Humans blink over 10,000,000 times a year!
97