Gold has always been a hot commodity. But these days, finding a nugget isn’t too tricky: Much of the world’s gold is mined from natural veins of quartz, a glassy mineral that streaks through large ...

New research shows that eucalyptus trees can absorb gold particles in their roots and transport them up to their leaves, a finding that could be a boon for mining companies. Photo by Mel Lintern If ...

Scientists have created a diamond-like lattice composed of gold nanoparticles and viral particles, woven together and held in place by strands of DNA. The structure -- a distinctive mix of hard, ...