Today in history: Alexander Fleming discovers penicillin

On September 28, scientist Alexander Fleming discovered penicillin. The discovery happened when Fleming noticed that a mold had contaminated one of his bacterial cultures and had killed the surrounding bacteria. This accidental finding led to the development of the first widely used antibiotic, which would go on to treat bacterial infections and save countless lives.

← Back to stories
National5 articles from 5 sources across the spectrum· Updated 1d ago

3 across the spectrum · tap a section to jump

How each side is putting it

Left

1 viewpoint
Philadelphia InquirerLean Left· 1d ago· ran in 3 outlets

Today in History: September 28, Alexander Fleming discovers penicillin

The Boston GlobeLean Left· 1d ago

Today in history: Alexander Fleming discovers penicillin

Center

2 viewpoints
Ran by 3 outlets across the spectrum· WFMZ Allentown, WTOP Washington DC
WFMZ AllentownCenter· 1d ago

Today in History: September 28, Alexander Fleming discovers penicillin

WTOP Washington DCCenter· 1d ago

Today in History: September 28, Alexander Fleming discovers penicillin

UPICenter· 1d ago

On This Day, Sept. 28: Alexander Fleming discovers penicillin

Right

0 viewpoints

No Right coverage yet.

A blind spot on this side of the story.

Today in history: Alexander Fleming discovers penicillin | Slantwise