Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Cow Wheat
The Steady State of the Solow Model
Effect of Increasing the Investment Rate on the Steady State
Midsagittal section indicating locations of true and false pelves