The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
The average person walks the equivalent of twice around the world in a lifetime
69
Men fall in love faster than women do.
32
Most people smile when they are frustrated, according to a study.
15
Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
58
In one day an average person will take about 18,000 steps.
55