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Vatican City is the smallest country in the world. It’s 120 times smaller than the island of Manhattan.
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It would take 19 minutes to fall to the centre of the Earth. Scientists have worked this out, they haven’t tried it in real life.
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There’s an ant species unique to New York City. Called ManhattAnts, biologists found them in a specific 14-block strip of the city.
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The shortest commercial flight in the world is in Scotland. Regional airline Loganair flies between the islands Westray and Papa Westray. The journey is just 1.7 miles and takes 90 seconds.
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Dolphins have names for one another. According to National Geographic, dolphins use a unique whistle to distinguish between different members in their pod.
