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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Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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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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There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
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One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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