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There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.
Thyroid conditions may make getting pregnant impossible.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.