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 cow produces around 200,000 glasses of milk in her lifetime.
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The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
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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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