Each year, more than 50,000 people are injured by jewelry in the U.S.
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The harder you concentrate on falling asleep, the less likely you are to fall asleep.
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Water is actually naturally blue.
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Wearing yellow makes you look bigger on camera; green, smaller.
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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
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Blue eyes are the most sensitive to light, dark brown the least sensitive.
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At 90 degrees below zero, your breath will freeze in mid-air and fall to the ground.
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In the U.S., more than 10% of lottery prizes go unclaimed!
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