Eco-Friendly Sponges Made of Dairy Byproduct Can Extract Gold from Old Computer Parts

The breakthrough is reminiscent of that old fairy tale of Rumpelstiltskin who can spin straw into gold, only these scientists use dairy.

Full story: https://www.goodnewsnetwork.org/eco-friendly-sponges-made-of-dairy-byproduct-can-extract-gold-from-old-computer-parts/