This paper reviews the discovery of artemisinin,an antimalarial compound from an herbal plant that was awarded the Nobel......

严羽在《沧浪诗话·诗辩》中提出诗之“大概有二，日优游不迫，日沉着痛快。诗之极致有一，曰入神。”本文试对“优游不迫”与“沉着......