1 An abdominal ultrasound can be used to look for the cause of abdominal pain, evaluate masses in any of the abdominal organs, diagnose kidney stones or liver or gallbladder disease, and evaluate injuries after an accident.2  WebMD offers an overview of abdominal ultrasound. For patients covered by health insurance, out-of-pocket costs typically consist of a copay of $10-$50 or more, or coinsurance of 10-50% or more.
Johannes Stark. German physicist who won the Nobel Prize for Physics in 1919. In 1902 he predicted, correctly, that high-velocity rays of positive ions (canal rays) would demonstrate the Doppler effect, and in 1913 showed that a strong electric field can alter the wavelength of light emitted by atoms (the Stark effect).
Martin Luther King Jr. was awarded the Nobel Peace Prize in 1964 for his crusade for civil rights in the United States. Read the full text of the presentation speech given by chairman of the Nobel Committee, Gunnar Jahns, then follow the link for a biography of King.