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Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

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Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Common pathogens and some infections Common pathogens and some infections
Mechanisms of action of antibiotics inhibiting bacterial protein synthesis. Mechanisms of action of antibiotics inhibiting bacterial protein synthesis.
Paranasal sinuses are part of the upper respiratory system. From here, infections may spread via the ... Paranasal sinuses are part of the upper respiratory system. From here, infections may spread via the ...
Map depicting the 2010 West Nile virus infections. Map depicting the 2010 West Nile virus infections.
Sample prescriptions of antibiotics for dental infections. Sample prescriptions of antibiotics for dental infections.
The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ... The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ...
Video: Electromagnetic Spectrum, Chlorophyll and Pigment & Light

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