The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
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There are so many kinds of apples that if you ate a new one everyday, it would take over 20 years to try them all.
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Cows can sleep standing up, but they can only dream lying down.
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Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
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Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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