It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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More than 4.4billion prescriptions were dispensed within the United States in 2016.
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In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
Rusophycus, a "resting trace" of a trilobite; Ordovician of southern Ohio. Scale bar is 10
How to find the maximum and minimum of a quadratic relation