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The first guy to win Who Wants To Be A Millionaire (USA) used none of his lifelines until the final question, where he called his dad. During the call, he told his dad he didn't need any help on the final question, but he just wanted to let him know that he was about to win $1,000,000.
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There's a regenerative candle that creates a new candle as it melts.
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In 2011, a couple bought a box of textbooks for $10. Inside, they found a 25-cent bill signed by the president of the Republic of Texas, Sam Houston, and subsequently sold it for $63,250.
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In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
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