http://rn-online.org
There are many resources which provide information on getting into nursing school, studying for and passing boards, getting into new graduate employment programs, summer exploratory programs.
http://www.gasnet.org/
Academic content for the Anesthesiology/Intensive Care community. Includes information on subjects such as airway management, pediatrics, hemodynamics, resuscitation, intracranial hypertension, acid-base balance, anesthesia.