The International Literature Digest Service publishes abstracts on operational research and management science, covering topics such as operations research, optimal allocation, queueing, game theory, simulation models, and statistical methods. The British Launderers' Research Association is exploring the use of ultrasonic energy for cleaning soiled fabric, achieving promising results that warrant further experimentation. The World Health Organization's Expert Committee on Addiction-producing Drugs recommends exemptions for certain drugs and emphasizes the need for stricter controls on heroin and better information dissemination about new drugs. A survey by the World Health Organization shows an increase in early syphilis and gonorrhea infections in 31 countries, highlighting the need for continued efforts to control these diseases. Activities against yaws, supported by the WHO and UNICEF, have significantly reduced its prevalence in some regions, with a focus on coordinating anti-yaws efforts with other disease control programs.The International Literature Digest Service publishes abstracts on operational research and management science, covering topics such as operations research, optimal allocation, queueing, game theory, simulation models, and statistical methods. The British Launderers' Research Association is exploring the use of ultrasonic energy for cleaning soiled fabric, achieving promising results that warrant further experimentation. The World Health Organization's Expert Committee on Addiction-producing Drugs recommends exemptions for certain drugs and emphasizes the need for stricter controls on heroin and better information dissemination about new drugs. A survey by the World Health Organization shows an increase in early syphilis and gonorrhea infections in 31 countries, highlighting the need for continued efforts to control these diseases. Activities against yaws, supported by the WHO and UNICEF, have significantly reduced its prevalence in some regions, with a focus on coordinating anti-yaws efforts with other disease control programs.