Men are more attracted to women whose bone structure is similar to their own mothers. It's called "sexual imprinting".
18
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
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Forty percent of Americans have never visited a dentist.
33
People with light eye colors (like blue, green or grey) have a higher alcohol tolerance.
194