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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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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Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
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Only about 2% of the world population has green eyes.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
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