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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

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The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

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Cyanide works by making the human body unable to use oxygen.

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Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Leafcutter ants carrying leaf fragments back to the nest where they will be processed to create a su Leafcutter ants carrying leaf fragments back to the nest where they will be processed to create a su
The national quality forum list of serious reportable events The national quality forum list of serious reportable events
Monkeys and apes such as this chimpanzee can be recognized in the fossil record by the anatomy of th Monkeys and apes such as this chimpanzee can be recognized in the fossil record by the anatomy of th
Checking gasoline for alcohol involves using a graduated cylinder and adding water to check if the ... Checking gasoline for alcohol involves using a graduated cylinder and adding water to check if the ...
Creating Trans Fatty Acids Hydrogenating, or adding hydrogen Creating Trans Fatty Acids Hydrogenating, or adding hydrogen
Chi-Square Analysis of Mendel's Data Chi-Square Analysis of Mendel's Data
Video: Febrile Seizure

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