The world's youngest parents were 8 and 9 and lived in China in 1910.
130
Children laugh about 400 times a day, while adults laugh on average only 15 times a day.
973
The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
34
People who are lying to you tend to look up and to the left (their left).
178
Babies cry but they don't produce tears until one to three months after birth.
238