science
Massive Diamond Discovered in Lesotho Is World’s Fifth Largest

Workers at Lesotho’s Letšeng mine have discovered an absolute whopper of a diamond, rated at 910-carats. Roughly the size of two golf balls, the precious gem has an estimated value of $40 million (£29 million). Read More >>

science
Deepsea Minerals are Coming Soon to a Mobile Phone Near You

Rocks mined from the seafloor have been confirmed as a viable source for rare earth metals, and thus a tiny piece of the ocean might soon find its way into a mobile phone or computer chipboard near you. The finding, published in the April 2014 issue of Applied Geochemistry, all but guarantees a new round of focus on overcoming the challenges—both industrial and environmental—of extracting mineral riches from the ocean depths. Read More >>