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 Health Effects. Penicillium is normally nonpathogenic with some exceptions. One example, Penicillium marneffei, a dimorphic species (contains yeast-like phase) capable of causing infection of the lymphatic system, the lungs, the liver, the skin, the spleen, and the bones. P. marneffei can enter through the skin, through inhalation, and all points of the digestion tract.