Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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In Japan, watermelons are grown into the shape of a square so they are easier to stack and transport.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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There's a regenerative candle that creates a new candle as it melts.
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There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
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The longest Monopoly game in a bathtub lasted 99 hours!
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