Thought this was interesting..... (because of Cjeka)

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Quote Originally Posted by article
A team at Michigan State University has landed on a gold mine — albeit on the micro scale.

They call it “microbial alchemy.” Using the extremophile bacteria Cupriavidus metallidurans — a microbe that can grow in harsh, metallic environments – Kazem Kashefi, assistant professor of microbiology and molecular genetics, and Adam Brown, associate professor of electronic art and intermedia, have found that it can produce 24-carat, nearly 99.9 percent, pure gold.
Michigan State University Researchers Find Bacteria That Transforms Toxic Liquid Gold to 24-Carat Usable Metal | TheBlaze.com