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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Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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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 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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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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