Watch what happens when an elephant returns to alcohol-rich fruit again and again She bought her cat boxes of 60 toy mice: years later, she found out where they were all going A warning was reportedly ...

An aerogel made from old milk can extract highly pure gold nuggets from discarded computer motherboards. Discarded electronics, known as e-waste, often contain large amounts of gold and other heavy ...

Tackling the issues: Electronic waste is a growing problem. Each year, consumers produce millions of tons of used and broken electronics. Only a portion of the metals they contain are recycled because ...

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 ...

In context: The Royal Mint, which has been producing British coins since the Middle Ages, is now adapting to a world where physical money is becoming less essential. In an effort to reinvent itself, ...