penicillin en 85 years later, penicillin still vital for Rhode Islanders <p>85 years ago, Alexander Fleming discovered some mold growing in one of his petri dishes. In his <a href="">lab at Oxford</a>, Fleming noticed a substance the mold produced inhibited the growth of some species of bacteria. But the substance was difficult to work with, and the discovery lingered untapped for many years.</p> Mon, 07 Jan 2013 20:33:43 +0000 Kristin Gourlay 7289 at