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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The Statue of Liberty is made out of copper. When originally built, it looked like a shiny new penny!
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On average, a disposable diaper can hold up to 7 pounds of liquid.
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It is impossible to hum if your nose is plugged.
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About two hundred babies are born worldwide every minute.
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By raising your legs slowly and laying on your back, you can't sink in quicksand.
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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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