Hi, medicine is one of the most important science in the world if not saying the most important because saving life it important. What is more important to make help people to stay healthy? In the past there was no effective drug, or cure for infections, when the infection happens for a person they could just use some herbs for curing the infection so that a discovery as the first cure for infection in 1912 was a very big discovery. And yet with many developments in medicine yet penicillin is not forgotten. Let's watch the video about discovery of penicillin.