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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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 University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
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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
If Earth's history was condensed into twenty-four hours, life would've appeared at around 4am, land plants at 10:24pm, dinosaur extinction at 11:41pm, and human history would’ve began at 11:58:43pm.
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Your body is creating and killing about 2.4 million red blood cells per second.
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