In 1928, Alexander Fleming discovered this.
- Adrenalin
- Ebola
- Insulin
- Penicillin
In 1928, Alexander Fleming discovered this.
Penicillin. Fleming returned from vacation to find a Petri dish with staph bacteria had been left open, but now had a mold (Penicillium notatum) in it that stopped bacterial growth. Fleming concluded that the mold produced a natural antibiotic.