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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

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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.

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Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

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Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

The swan neck flask experiment The swan neck flask experiment
Time Line of Human History From Upper Paleolithic Period to the Present Time Line of Human History From Upper Paleolithic Period to the Present
The relationship between the height of the firing line and length of the spark line can be ... The relationship between the height of the firing line and length of the spark line can be ...
The transfer experiment that demonstrated the existence of RNA primers in DNA replication The transfer experiment that demonstrated the existence of RNA primers in DNA replication
The Milgram Obedience Experiment The Milgram Obedience Experiment
Monkey Experiment: Sense of Fairness Monkey Experiment: Sense of Fairness
Video: Chromosome structural organization/ Mechanisms for chromosome movement Animation

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