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There are 20 feet of blood vessels in each square inch of human skin.

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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

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The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Polyp and medusa forms of Cnidarians. Polyp and medusa forms of Cnidarians.
The lemurs rediated into a variety of forms, including the sifaka. The lemurs rediated into a variety of forms, including the sifaka.
Security Tips for Accepting Various Forms of Payment Security Tips for Accepting Various Forms of Payment
What are examples of ideal forms? What are examples of ideal forms?
Forms of carbon dioxide in the blood Forms of carbon dioxide in the blood
Video: Brain Anatomy Animation (Part 2 of 2)

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