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Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
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When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

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Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

A guinea pig being held A guinea pig being held
This engraving by William Russell Birch shows Congress Hall (left), which was occupied by Congress f This engraving by William Russell Birch shows Congress Hall (left), which was occupied by Congress f
In 1979 Islamic militants held American embassy workers hostage in Tehran. In 1979 Islamic militants held American embassy workers hostage in Tehran.
Edmund Clark. Camp Five, Detainee's Cell, from the series Guantanamo: If the Light Goes Out, ... Edmund Clark. Camp Five, Detainee's Cell, from the series Guantanamo: If the Light Goes Out, ...
Concentration affects where the precipitin line forms. When 1 reactant is held at a constant ... Concentration affects where the precipitin line forms. When 1 reactant is held at a constant ...
An agglutination reaction. Antigen-coated latex beads are held together by antibody. In a direct ... An agglutination reaction. Antigen-coated latex beads are held together by antibody. In a direct ...
Video: Hormonal feedback loop components

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