The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
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Your thumb is about the same size as your nose.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14
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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