Bacteria that eats metal accidentally discovered by scientists – CNN International

(CNN)Scientists have discovered a type of bacteria that eats and gets its calories from metal, after suspecting they exist for more than a hundred years but never proving it.
Now microbiologists from the California Institute of Technology (or Caltech) accidentally discovered the bacteria after performing unrelated experiments using a chalk-like type of manganese, a commonly found chemical element.
Dr. Jared Leadbetter, professor of environmental microbiology at Caltech in Pasadena, left a gla…

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