Each year, around 24,000 Americans are bitten by rats!
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There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
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Men are more attracted to women whose bone structure is similar to their own mothers. It's called "sexual imprinting".
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Karl Pillemer, a professor, performed a study on thousands of elderly people and what advice they had about life. On happiness, there was a consensus: “the elders viewed happiness as a choice, not the result of how life treats you.”
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Over 98 percent of Japanese people are cremated after they die.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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