Cats sleep for 70% of their lives.
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Sharks have been on the planet longer than trees.
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A group of unicorns is called a blessing.
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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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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In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
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The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
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Mosquitoes don't just bite you, they also pee on you.
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