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 ...

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 ...

Scientists found solid gold particles inside Norway spruce needles in Finland. Microbes in tree tissues transform dissolved gold ions into solid nanoparticles. Trees may help trace underground ...