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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Your body is creating and killing about 2.4 million red blood cells per second.
17
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 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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