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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Asthma cases in Americans are about 75% higher today than they were in 1980.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
If you could remove all of your skin, it would weigh up to 5 pounds.
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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