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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Illicit drug use costs the United States approximately $181 billion every year.
Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.