Olympic Games in the opening ceremony. Though the flame has been an Olympic symbol since 1928, the torch relay was only introduced at the 1936 Summer Games to promote the Third Reich. The Olympic mascot, an animal or human figure representing the cultural heritage of the host country, was introduced in 1968. It has played an important part of the Games' identity promotion since the 1980 Summer Olympics, when the Russian bear cub Misha reached international stardom. The mascot of the Summer Olympics in London was named Wenlock after the town of Much Wenlock in Shropshire. Much Wenlock still hosts the Wenlock
Equine drug testing testing of horse urine was introduced to racing regulators by a group at the University of Kentucky. This proprietary technology essentially solved the problem of the abuse of high potency drugs in racing horses. ELISA tests are now marketed worldwide out of Lexington, Kentucky. Traces of therapeutic medications and dietary and environmental substances can be detected using current testing technology. This has created controversy over a "zero tolerance" approach to drug testing, and resulted in the establishment of regulatory limits or "thresholds" (the urine or blood concentration of a substance below which there is no pharmacological activity, i.e., there is