bottles and left the other one perfectly open. Days later he checked and obviously the unsealed bottle contained microorganisms but this time the sealed bottle showed no signs of life. It certainly looked like Spallanzani excluded the theory. Peope then argued that Spallanzani only proved that spontaneous generation could not occur without air. Finally in 1859, almost a century later, a notable french chemist by the name of Louis Pasteur ended the theory. He boiled broth in a regular flask and then bent the neck on the flask into an "S" shape. Air could enter the flask but microorganisms could not. No microorganisms grew until he broke off the top and the flask rapidly came full of life. As well as ending the theory of spontaneous generation Pasteur managed to demonstrate that microorganisms are everywhere.
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More advanced culture because of this?
I firmly believe that this paradigm shift has made us become a more advance culture. It has changed our knowledge on biogenesis and in turn the knowledge of the world. Due to this paradigm shift we are now more knowledgable on evolution, the fact that microorgranisms are everywhere, as well as life can only arise from preexisting life.
Picture of Louis Pasteur.