Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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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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Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.
Evaluation of a child for cystic fibrosis with a sweat chloride test. Sweat is being collected under
(A) Dornier Compact Delta® lithotripsy system. Acoustic shock waves generated by the shock-wave-gene
Demonstration of the function of a balloon-tipped catheter during a PTCA procedure.
2006 Data:Top 25 Substances Involved in Human Exposures
An example of a Material Safety Data Sheet (MSDS).
Basic Marketing Research: Using Microsoft Excel Data Analysis