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 ...

Spotting a rare foreigner in the southern Syrian city of Nawa, Khalil approaches with a business proposal: bring him a “very ...

Forget diamond mines and sunken pirate ships – the real treasure hunting happens at TROSA Thrift Store in Durham, North Carolina, where everyday explorers unearth retail gold without needing a metal ...

India’s war on gold smuggling resembles a balloon: squeeze one end and bulges pop up elsewhere. When New Delhi slashed the ...

In small-scale and artisanal mining, mercury is used extensively to extract gold. In this practice, the gold reacts with ...

VOV.VN - Customs officers at Hanoi-based Noi Bai International Airport on June 25 uncovered nearly 2kg of yellow metal, ...

In recent years, colloidal metal particles—especially gold and silver nanoparticles—have emerged as critical components in ...

Join Heath Jones from the History Seekers as he metal detects a forgotten 1800s wagon road deep in the woods of Alabama. Armed with his Minelab Equinox 800, he unearths Civil War-era relics, a silver ...