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The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

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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.

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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

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Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Comet Tempel 1 67 seconds after colliding with the Deep Impact probe. Comet Tempel 1 67 seconds after colliding with the Deep Impact probe.
An impact screwdriver used to remove slotted or Phillips head fasteners that cannot be broken loose ... An impact screwdriver used to remove slotted or Phillips head fasteners that cannot be broken loose ...
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After 159 days,she paid a maturity value of $11,626, which included interest of $814. After 159 days,she paid a maturity value of $11,626, which included interest of $814.
Video: Gas exchange - partial pressure, locations, external and internal respiration

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