There's a regenerative candle that creates a new candle as it melts.
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MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
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In Brazil, prison inmates can reduce their sentence by 4 days (up to 48 days a year) for every book they read and write a report on.
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Sweden is so good at recycling, it has run out of garbage and now must import garbage from Norway to fuel its energy programs.
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In Montreal, there's a bus stop with swings that play musical notes when you swing on them.
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The Gate Tower Building skyscraper in Japan has a highway passing through its fifth, sixth and seventh floors.
7