85% of all Valentine's Day cards are purchased by women!
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The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
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Approximately 60% of the water used by households during the summer is used for watering flowers and lawns.
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Play-Doh was first manufactured as a wallpaper cleaner.
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Déjà vu occurs when your brain tries to apply a memory of a past situation to your current one, fails, and makes you feel like it's happened.
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Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
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One in five long-term love relationships began with one or both partners being involved with others.
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20252 is Smokey the Bear's own zip code.
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