The Bangkok Post featured an article about Effective Microorganism balls, known as EM balls, sent to Thailand to ease flood disaster on November 14th.
http://www.bangkokpost.com/business/economics/266116/building-a-better-ball
Question: Who developed EM balls?
Answer: Professor Teruo Higa, from the University of the Ryukyus in Okinawa.
For more information, check out this website: http://emrojapan.com/
EM balls are also helping water decontamination in Kesennuma City, Miyagi Prefecture, one of the major areas affected by the March 11th Earthquake.