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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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It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

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In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Valves in veins open to permit blood flow, close to prevent backflow. Valves in veins open to permit blood flow, close to prevent backflow.
Good body mechanics for lifting heavy objects. Good body mechanics for lifting heavy objects.
3-month-old baby in one of Rovee-Collier's memory experiments 3-month-old baby in one of Rovee-Collier's memory experiments
Siri plans to retire in 18 years and would like to receive $10 000.00 per month for twenty ... Siri plans to retire in 18 years and would like to receive $10 000.00 per month for twenty ...
Jane was due to make loan payments of S1872 nine months ago, S3074 five month ago, and S498 in ... Jane was due to make loan payments of S1872 nine months ago, S3074 five month ago, and S498 in ...
Movement of acorns by blue jays allows gene flow between oak populations Movement of acorns by blue jays allows gene flow between oak populations
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