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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Dogs sometimes fake being sick to get attention.
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Jumping fleas can accelerate 50 times faster than the space shuttle.
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Denmark has twice as many pigs as there are people.
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A dairy cow can produce more milk when listening to music.
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