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

You have most likely thrown it away without giving it much thought. Old motherboards, worn-out computers, and obsolete ...

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 ...