No one knows Albert Einstein's last words. Just before he passed, he spoke several words in German, but his nurse only knew English.
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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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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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Mars had an oxygen-rich atmosphere around 4 billion years ago
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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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A cow produces around 200,000 glasses of milk in her lifetime.
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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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