Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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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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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
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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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Cows can sleep standing up, but they can only dream lying down.
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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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