Penicillin was discovered in 1928 by Scottish scientist Alexander Fleming. People began using it to treat infections in 1942. There are several enhanced penicillin families which are effective against additional bacteria; these include the antistaphylococcal penicillins, aminopenicillins and the antipseudomonal penicillins. They are derived from "Penicillium" fungi. The term "penicillin" is often used generically to refer to benzylpenicillin (penicillin G, the original penicillin found in 1928), procaine benzylpenicillin (procaine penicillin), benzathine benzylpenicillin (benzathine penicillin), and phenoxymethylpenicillin (penicillin V). Procaine penicillin and benzathine penicillin have the same antibacterial activity as benzylpenicillin but act for a longer period of time. Phenoxymethylpenicillin is less
Dancing on the Valentine Dancing on the Valentine Dancing on the Valentine is a Duran Duran video single released by PMI in the UK and Sony in the US in . It was released on VHS, Beta, Laserdisc, and Video8 (8mm) format. "Dancing on the Valentine" is a collection of the three videos from "Seven and the Ragged Tiger". The title comes from the lyrics of "The Reflex": "You gone too far this time / But I'm dancing on the valentine". The artwork was also highly influenced by the release of "The Reflex" single, earlier in the year. A re-release in 1991 combined "Dancing