The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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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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Thyroid conditions may make getting pregnant impossible.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.
A recruiting poster for the “True Sons of Freedom” encouraged African Americans to enlist. In fact,
Hurricanes and Coastal Damages
A diagram showing one of Mendel’s crosses. True-breeding strains of pea plants with smooth and ...