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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Romans used a plant called Silphium as contraception. They had so much sex that they drove it into extinction.
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The ancient Egyptians thought the function of the brain was to produce snot.
16
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
'⸮' is a punctuation mark that was first proposed in the 1580s to denote sarcasm or irony.
17
A Kodak engineer constructed the first digital camera in 1975. They didn't want to go digital. They went bankrupt in 2012.
9
In 1799, a boy found a 17lb. rock in a creek in North Carolina and used it as a doorstop. It was actually gold.
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