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World Tourism Day 2023: Date, Theme, History, Significance And Celebrations
Credit: Zee News- Published on September 26, 2023
Here is all you need to know about the world travel day, from the date to the theme to the history. Every year on September 27, World Tourism Day is celebrated to raise awareness of the value of tourism and its effects on our society.ย
Video credit: Wibbitz Top Stories
Published on September 28, 2023 - 00:48
This Day in History: Penicillin Is Discovered
This Day in History:, Penicillin Is Discovered .
September 28, 1928.
Penicillin was discovered by Scottish
bacteriologist Sir Alexander Fleming. .
Returning to St. Mary's Hospital in London after a
vacation, Fleming noticed that a mold had contaminated
Petri dishes of a common infectious bacteria.
Fleming was stunned to
realize that the Penicillium
notatum mold was preventing
the growth of the bacteria.
Fleming concluded that the Penicillium "mold juice"
could be manipulated to fight infectious diseases.
I certainly didnโt plan to revolutionize all medicine by discovering the worldโs first antibiotic, or bacteria killer.
But I guess that was exactly what I did, Sir Alexander Fleming, via
'PBS News Hour'.
After 14 years of trial and error, penicillin was
perfected through the collaboration of Sir Fleming,
Dr. Howard Florey and Dr. Ernst Chain
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