Hi, what do you know about penicillin? In the past disease caused infection special in the body could easily cause the patient to die they could just use some herbs or some kinds of foods to help the patient. So that discovery like penicillin, which is very powerful in removing infection could save life of many people. And Alexander Fleming in 1912 discovered penicillin and bring this big discovery to the world of science so that so many life saved and many infection diseased cured by this discovery, penicillin. Let's watch the video, story of penicillin, to learn more about it.