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.
Penicillin is an antibiotic (a drug used to treat bacterial infections) made from a type of mold, Penicillium, that is commonly found on bread products. Its antibiotic qualiti â¦ es were discovered in 1928 by Alexander Fleming.Penicillin was commonly prescribed to take care of bacterial infections in humans and animals.t is used to treat bacterial infections and cause the infection to be cured. I â¦ t is derived from a common mold.       Penicillin treats bacterial infections, such as gonorrhea, which is a male oriented malady.