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23 magg 1862 anni - Germ Theory

Descrizione:

"Spontaneous generation" theory is disproved by Pasteur with his swan-neck flask experiment. Bacteria is now beginning to become understood
(from https://www.cdc.gov)

Aggiunto al nastro di tempo:

Data:

23 magg 1862 anni
Adesso
~ 163 years ago

Immagini: