Penicillin nontoxic in humans by first performing toxicity tests in animals and then on humans. His subsequent experiments on penicillin's response to heat and pH allowed Fleming to increase the stability of the compound. The one test that modern scientists would find missing from his work was the test of penicillin on an infected animal, the results of which would likely have sparked great interest in penicillin and sped its development by almost a decade. The importance of his work has been recognized by the placement of an International Historic Chemical Landmark at the Alexander Fleming Laboratory Museum in London on
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