One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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Condoms were originally made of animal intestines or linen.
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In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
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There's a rare breed of pig that looks like a sheep.
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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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