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 bonobo named Kanzi who has learned to build a campfire and cook his own food.
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When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
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A group of kittens is called a "kindle".
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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