Whether you repurpose it, rehome it, or recycle it, that dusty old computer in your closet may still be surprisingly valuable. Russell McLendon is a science writer with expertise in the natural ...

"Urban mining", the recycling of precious metals from electronic gadgets, becomes ever more important, although processes that are both efficient and environmentally benign are still scarce. An ...

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, ...