Redi experiment

Spontaneous Generation

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    Aristotle Believes in Spontaneous Generation

    Aristotle Believes in Spontaneous Generation
    Between 384 and 322 BC, Aristotle believed he had evidence for the occurrence of spontaneous generation
  • Helmont Reports Spontaneous Generation of Mice

    Helmont Reports Spontaneous Generation of Mice
    Between 1579 and 1644, Johannes Baptista von Helmont reported spontaneous generation of mice. He believed that mice came when a flask of wheat and old rags was incubated in a warm, dark closet
  • Redi Proposes different hypothesis

    Redi Proposes different hypothesis
    Francesco Redi, an Italian scientist, proposed a different hypothesis: that maggots came from eggs hat flies laid on the meat
  • Belief in Spontaneous Generation

    Belief in Spontaneous Generation
    Before 1668, people believed in spontaneous generation.
  • John Needham Conducts Boiled Broth Experiments

    John Needham Conducts Boiled Broth Experiments
    John Needham, an advocate for spontaneous generation, conducted a series of experiments with boiled broths
  • Spallanzani Lays Forth Crucial Experiment

    Spallanzani Lays Forth Crucial Experiment
    Another Italian scientist, Lazzaro Spallanzani, would lay forth a crucial experiment, a modification of Needham’s experiment
  • Pasteur Disproves Hypothesis

    Pasteur Disproves Hypothesis
    Pasteur disproved the hypothesis of spontaneous generation through an experiment