More boys than girls are born during the day; more girls are born at night.
120
Yawns are more contagious among people with closer relationships.
163
Most people smile when they are frustrated, according to a study.
15
A chance of a woman having twins is increased after the age of 35. About 1 in 27 women will give birth to twins after this age. After 50 the chances of having twins is 1 in 9.
51
The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212


