Babies crawl an average of 200m a day.
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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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Americans collectively eat one hundred pounds of chocolate every second.
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Each year, around 24,000 Americans are bitten by rats!
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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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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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