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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.
This engraving by William Russell Birch shows Congress Hall (left), which was occupied by Congress f
This Native American depiction of the Sand Creek Massacre, painted on a buffalo hide, shows the Indi