Canadian Nobel Prize recipient Dr. Frederick Banting, discoverer of insulin, sold the rights to the University of Toronto for $1 so that it was available to everyone.
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The rarest motorcycle in the world was found behind a brick wall in Chicago and has engine technologies well ahead of its time. The “Traub” is still running to this day.
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There's a regenerative candle that creates a new candle as it melts.
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Scientists lit a cave of natural gas on fire in 1971 expecting it to only burn for a few days; it still burns to this day. It has been nicknamed "The Door to Hell".
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The first foreigner to become a samurai was an African slave.
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Wyoming has only 2 sets of escalators in the entire state.
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