In the last 7 years, humanity has discovered 43 potentially habitable planets.
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Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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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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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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The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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