A chance observation in Alexander Fleming's London lab in 1928 led to a medical revolution. Fleming noticed mold killing bacteria in a petri dish. This discovery, penicillin, was later developed into a life-saving drug. It transformed treatments for infection…
After returning from a short vacation in September 1928, Alexander Fleming cleaned up his lab at St. Marys Hospital in London, as most scientists do. Several petri dishes sat on his bench, containing… [+3984 chars]
