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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There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
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Jumping fleas can accelerate 50 times faster than the space shuttle.
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In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
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Sharks, like other fish, have their reproductive organs in their chests.
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