The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
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By definition, when a medication is administered intravenously, its bioavailability is 100%.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
Assessing for McMurray's Sign
Measles. A photograph of a child stricken with measles, showing the tell-tale sign of the skin rash.