Spontaneous Generation
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- Did you know Aristotle is the first proponent of Spontaneous Generatipon?
- No I did not that he is the first one.
- Yeah! you're right.
- I know there are many scienctist work on that expirament.
- Yes and he even have a recipe for mice.
- In 17 Century Jan Baptist van Helmot discover that mice could arise from wheat kennel left in a open jar in 3 weeks.
- Mice from the wheat kennel? its confusing .
- Oh yes because his experiment predicting flies from having direct contact with meat to prevent maggots.
- And he use jars for the experiment,a jar without cover,a jar with a gauze and a jar with tightly sealed on it.
- But did you know Francisco Redi has the most beautiful experiment because he refute the discovery of Spontaneuos Genration?
- In 18th century John Needham support the experiment of Francisco Redi.
- He used Flask as a container of the broth and he applied heat to the flask.
- But did the flask has cover in it?
- Oh yes he used broth to this experiment.
- But the flask had cover in it,and there is no maggots inside the flask.After he opened the flask microbes appeard.
- He then concluded that microbes move through air and could be killed by boiling.
- And Lazzaro Spallanzani disprove the expirament of Needham,he used the same specimen.
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