Mars had an oxygen-rich atmosphere around 4 billion years ago
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
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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Only about 2% of the world population has green eyes.
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The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
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