There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
Women have a slightly higher average IQ than men.
164
76% of Americans celebrate New Year's Eve in groups of less than 20.
55
Englishmen drink more tea than any person of any other nation (over twenty times more than Americans)
123
About 2/3 of American men prefer boxers to briefs.
83
Americans collectively eat one hundred pounds of chocolate every second.
60
15 percent of Americans secretly bite their toes.
57
Forty percent of Americans have never visited a dentist.
33