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Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

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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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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

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In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

The image formed on the retina is inverted. The brain rights the image as part of the interpretation The image formed on the retina is inverted. The brain rights the image as part of the interpretation
Two oxygen molecules in van der Waals contact Two oxygen molecules in van der Waals contact
Hematopoiesis: Blood cells are formed from stem cells under the influence of hormones such as ... Hematopoiesis: Blood cells are formed from stem cells under the influence of hormones such as ...
Some column-mounted ignition switches act directly on the contact points, whereas others use a link ... Some column-mounted ignition switches act directly on the contact points, whereas others use a link ...
Mobilize shoulders with “cat paw” technique. Place a hand on each shoulder to establish contact. ... Mobilize shoulders with “cat paw” technique. Place a hand on each shoulder to establish contact. ...
The steady state in enzyme kinetics The steady state in enzyme kinetics
Video: Introduction to Tuberculosis

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