The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
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Your heart beats over 36 million times a year.
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In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Plant Cell Types (Part 1)
A Simple Model of the Learning Process
How to perform the concavity test and second derivative test for a function (Part 2)
Gaussian Elimination (Part 2 of 3)
In a metallurgical process the mineral pyrite, FeS2, is roasted in air: FeS2 + O2 Fe2O3 + ...