The horizontal fraction bar was introduced by the Arabs.
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Medication errors are more common among seriously ill patients than with those with minor conditions.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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There are 20 feet of blood vessels in each square inch of human skin.
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According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.
Neanderthal Expressive Culture: “Face” in Worked Flint
Great Serpent Mound, Adams County, Ohio, Hopewell culture.