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
Valentine (film) Valentine (film) Valentine is a 2001 American slasher film directed by Jamie Blanks, and starring Denise Richards, David Boreanaz, Marley Shelton, Jessica Capshaw, and Katherine Heigl. Loosely based on the novel of the same name by Tom Savage, the film follows a group of women in San Francisco who are stalked by a man whom they tormented during their childhood. Release theatrically in February 2001, the film was critically panned, with critics deeming it too similar to 1980s slasher films. The film earned $36.7 million on a $29 million budget. At a junior high school St. Valentine's Day dance in