In Mexico, artists can pay their taxes using artwork that they create.
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Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
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While pumpkins are typically orange, they can also be green, white, red, gray, and even blue.
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The full moon causes a tidal wave to roll up the Amazon river once in day and once in night for a period of only three weeks in a year. This results in continuous 4m high wave that can be surfed for up to 13km.
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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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There's a regenerative candle that creates a new candle as it melts.
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