Problem- Does bacteria rise from broth?
Hypothesis- If you boil broth, then bacteria will still rise from it
Experiment- He boiled broth for about 10 minutes, left the lid off, and bacteria still grew a few days later
Conclusion- The microbes do come from broth
Hypothesis- If you boil broth, then bacteria will still rise from it
Experiment- He boiled broth for about 10 minutes, left the lid off, and bacteria still grew a few days later
Conclusion- The microbes do come from broth
Before boiling the broth it already had microbes but after boiling the broth Needham noticed that all the microbes were gone, after letting the broth sit out for a few days without its lid, microbes grew in the broth.