The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
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The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
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The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
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A cow produces around 200,000 glasses of milk in her lifetime.
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Iceland has been so culturally isolated through history since the Vikings, that compared to other Scandinavian counties, people who speak Icelandic can still read the old Norsk sagas.
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