15 percent of Americans secretly bite their toes.
57
In the presence of attractive women, men find running easier, take more risks, donate more money, consume more calories, and talk more.
28
In 75% of American households, women manage the money and pay the bills.
97
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
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20