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Did you know?
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.
Two important changes occur in the upper airway in croup:The epiglottis swells, thereby occluding th
An alternating pneumatic compression device squeezes the leg tissues causing blood to move toward th
This engraving by William Russell Birch shows Congress Hall (left), which was occupied by Congress f
Four terrorist incidents. Clockwise from top left: the Alfred P. Murrah Federal Building after ...
Government in America: People, Politics, and Policy, AP
The locations of disease-causing mutations in the cystic fibrosis gene