In the last 7 years, humanity has discovered 43 potentially habitable planets.
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You forget 90% of your dreams.
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Only about 2% of the world population has green eyes.
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A cow produces around 200,000 glasses of milk in her lifetime.
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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 oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
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