In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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A cow produces around 200,000 glasses of milk in her lifetime.
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Lurch, a Watusi bull, had the largest horns in the world.
32
You forget 90% of your dreams.
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Your thumb is about the same size as your nose.
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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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In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16