DIY gold recovery from sand is often misunderstood, but real techniques rely on proven methods like panning, sluicing, and ...

In 2022, humans produced an estimated 62 million tonnes of electronic waste – enough to fill more than 1.5 million garbage trucks. This was up 82 per cent from 2010 and is expected to rise to 82 ...

An aerogel made from old milk can extract highly pure gold nuggets from discarded computer motherboards and other electonics.