A quarter has 119 grooves on its edge, a dime has one less groove!
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An Australian study found that homework is of little to no academic value to students in elementary and junior high schools.
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On average, every dollar bill you touch has over 3,000 different types of bacteria.
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'Second Street' is the most common street name in the U.S.; 'First Street' is the sixth! "
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Couples' personalities converge over time to make partners more and more similar.
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The human eye blinks an average of 4,200,000 times a year.
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A typical full-time worker in the US with a four-year college degree earns about $50,000. This is 62% more than a worker with only a high-school diploma.
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