Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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There are more bacteria in your mouth than there are people in the world.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
René Descartes (1596–1650). French philosopher considered the founder of modern philosophy. A ...
Effects of Elevation on Heart Rate and Ventilation
How would you rate your overall health?” The percent of adults answering “excellent” or ...
How to solve rate problems leading to fractional equations (Question 1)
Population growth and growth rate, 1950 - 2100
Average Annual Growth Rates of Population by Country Group