Pensacola was the first European-inhabited settlement in what would later become the United States of America. The first European settlement in the continental United States was Pensacola, which was established on Santa Rosa Island by conquistador Don Tristan tristÃ¡n De luna Y arellano in. 1559
Alexander Fleming discovered penicillin from mold that contaminated a petri dish of Staphylococcus bacteria. Researchers at Oxford University experimented with the new mold that Alexander Fleming had discovered. Penicillin was actually discovered by mistake.
Penicillium chrysogenum is the fungus from which penicillin, the first antibiotic medication, is made. The medical use for antibiotics, as the name suggests, is to cure diseases that are caused by bacteria.he medication that is made from Penicillium chrysogenum, however, has become less effective due to the development of bacterial strains that are resistant to treatment with penicillin. Many people in the medical community attribute the development of these resistant strains to improper use of antibiotics.