Going for the Gold! Mint Innovation’s microbes and technology recover gold : Biofuels Digest

With the XXIII Olympic Winter Games starting and a record-breaking 102 gold medals up for grabs this year, it got us thinking about medals…and metals in general. With so many uses from giving them as awards for super athletes, to using them in currency, trade markets, and more recently, electronics, it seems like the demand for precious metals isn’t going anywhere, but the supply is limited, even if the U.S. Geological Survey estimates there are 52,000 tons of minable gold still in the ground.

Source: www.biofuelsdigest.com