Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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The oldest recorded elephant lived for 82 years.
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A giraffe's kick is so powerful that it can decapitate a lion.
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15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
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Jellyfish as a species are actually older than dinosaurs and sharks.
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