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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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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Your thumb is about the same size as your nose.
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In Georgia, there is an airtight room called the Crypt of Civilization that was sealed in 1940. It contains numerous artefacts documenting what life was like at the time of sealing, and is scheduled to be opened in the year 8113 to show people of the future exactly what life was like.
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The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
You forget 90% of your dreams.
256
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
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