There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
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There's a regenerative candle that creates a new candle as it melts.
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In the case of an emergency, a Crayola crayon can be used as a candle and will burn for about 15 minutes.
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There is a fruit called The Miracle Berry that, when eaten, causes sour foods to taste sweet, and has been used to treat diabetes, among other things.
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Sudbury Valley School allows students to do whatever they want; no curriculum, tests, homework, or even classes unless requested. 82% of students get accepted to college, as opposed to the 63% national public school average.
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