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.
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In Korea, a child’s first birthday is the most important. In one part of the celebration, several items are placed on a table. The one that the baby picks up first is said to predict their future.
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Awarding people money for doing well in IQ tests causes them to score better, $10 increased people's score by an average of more than 20 IQ points. IQ tests don’t just measure intelligence - they also measure effort.
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According to Harris Interactive, 70% of men and 57% of women shower daily.
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Girls have more tastebuds than boys.
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Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
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Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
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