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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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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Cows can sleep standing up, but they can only dream lying down.
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The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
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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!
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Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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