A group of unicorns is called a blessing.
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Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
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A group of kittens is called a "kindle".
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The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
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