title: 4S
text: # 4S
  
  4S may refer to:
  
  ## Places
  
  * 4S Ranch, California, an unincorporated community in San Diego County
  
  ## Other uses
  
  * iPhone 4S, the 5th generation of the iPhone
  * Scandinavian Simvastatin Survival Study, a multicenter clinical trial that was performed in 1990s in Scandinavia
  * Society for Social Studies of Science, a non-profit scholarly association devoted to the social studies of science and technology
  * Toshiba 4S, a nuclear reactor
  * Toyota S engine
  * DS 4S, a car
  * 4S, the production code for the 1977 Doctor Who serial The Talons of Weng-Chiang
  