One in 500 humans has one blue eye and one brown eye.
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According to the American Society for Microbiology, 90% of women and 75% of men wash their hands after using a public restroom.
170
Women rate men more attractive if other women are looking and smiling at him.
17
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.”
13
The average American eats at McDonalds more than 1,800 times in their life.
52
Approximately 4 to 5% of the U.S. population has one or more clinically significant phobias in a given year. Specific phobias occur in people of all ages. The average age of onset for social phobia is between 15 and 20 years of age, although it can often begin in childhood.
30
The world's youngest parents were 8 and 9 and lived in China in 1910.
130
Women who are romance novel readers are reported to make love 74% more often with their partners than women who do not read romance novels.
136