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The horizontal fraction bar was introduced by the Arabs.
There are 60,000 miles of blood vessels in every adult human.
There are approximately 3 million unintended pregnancies in the United States each year.
Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.
If you could remove all of your skin, it would weigh up to 5 pounds.
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