Opioid selling Indian opium which was smuggled into China in defiance of Chinese government bans. This led to the First (1839–1842) and Second Opium Wars (1856–1860) between China and Britain. In the 19th century, two major scientific advances were made that had far-reaching effects. Around 1804, German pharmacist Friedrich Sertürner isolated morphine from opium. He described its crystallization, structure, and pharmacological properties in a well-received paper in 1817. Morphine was the first alkaloid to be isolated from any medicinal plant, the beginning of modern scientific drug discovery. The second advance, nearly fifty years later, was the refinement of the hypodermic needle
High School Affiliated to Renmin University of China that there were still worker and farmer students in the school. The school started admitting 9th grade from 1960. Which means that the school had transferred itself from a senior high only High School to a junior high included high school. The name of the school was finally decided to be "High School Affiliated to Renmin University of China". With the last group of worker and farmer students graduated in 1963, the school's teaching system was settled. Anti-intellectualism flourished in mainland China in the 1970s due to the well-known cultural revolution. As one of the many victims, Renmin University of