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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Only about 2% of the world population has green eyes.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
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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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The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
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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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