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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"Yo momma" jokes/insults were invented by Shakespeare.
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Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
Romans used a plant called Silphium as contraception. They had so much sex that they drove it into extinction.
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