Romans used a plant called Silphium as contraception. They had so much sex that they drove it into extinction.
24
The world's first Buddhist ruler, Emperor Ashoka, who ruled India from 274-232 BCE, was the first ruler in human history to ban slavery, the death penalty, animal cruelty, and deforestation. He even advocated gender equality in education and religious institutions.
32
CAPTCHA stands for "Completely Automated Public Turing test to tell Computers and Humans Apart".
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There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
The Gate Tower Building skyscraper in Japan has a highway passing through its fifth, sixth and seventh floors.
7
At the time of your birth, you were, for a few seconds, the youngest person on the planet.
30
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18