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Bacteria Poops Gold

German and Australian researchers have figured out how a bacteria called C. metallidurans can consume toxic...
German and Australian researchers have figured out how a bacteria called C. metallidurans can consume toxic metals and excrete tiny gold nuggets, like that shown here(Credit: Technical University of Munich (TUM))

If the goose that laid the golden egg had a real-life counterpart, it would be C. metallidurans. This hardy little bacterium consumes toxic metals and excretes tiny gold nuggets, but how and why it does so has never been fully understood. Now, German and Australian researchers have peered inside the microorganism and figured out that mechanism. read more