If you have old electronics sitting around your home, you may be able to recycle them for cash for the precious metals they contain. However, the quantities are small, so it usually makes sense if you ...

ETH Zurich researchers have developed a sustainable method to recover gold from electronic waste. The method uses a sponge made from denatured whey proteins that selectively adsorb gold ions. The ...

For many people, gold mining conjures images of an old prospector sifting sandy water through a metal pan in the blazing sun. But these days, the process is far more advanced than the 1800s gold rush ...