Yawns are more contagious among people with closer relationships.
163
Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
58
Muhammad is the most common name in the world.
96
The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
95% of people feel uncomfortable when the TV volume is an odd number.
392
Eskimos don't gamble.
78