Indian Institute of Science scientists have developed a glowing paper sensor for early liver cancer detection using terbium, a rare earth metal. The sensor detects ... the sensor could be a low-cost ...

Scientists at Flinders University developed a safe, sustainable way to extract gold from e-waste and ore - without mercury or cyanide.

A new gold extraction method turns old electronics into treasure using pool disinfectant and sunlight — no poisons required.

What’s really hiding beneath all that thick river grass? In this adventure, we go scuba diving with our underwater metal detectors to uncover whatever treasures—or surprises—lie below. You won’t ...

Are you ready for the ultimate treasure hunt? In this exciting challenge, participants will use metal detectors to search for buried treasure—with a grand prize of $3,000 on the line! You’ll see: 🔎 ...