Over the last hundred years, the human population has exploded from about 1.5 billion to more than seven billion, driving an ever-increasing demand for resources. To satisfy civilization's appetite, communities have expanded recycling efforts while mine operators must explore forbidding frontiers to seek out new deposits, opening mines miles underground or even at the bottom of the ocean.
Researchers at Harvard University and MIT's Broad Institute have developed a data mining tool that can detect meaningful patterns in vast data sets.
A US company has received permission to reopen a large rare earths mine, easing fears that the country was becoming too dependent on Chinese imports of the substances needed for mobile phones, solar cells and other technologies.
A Russian architectural firm is touting detailed plans for an eco-friendly, subterranean mega-city.
Digg is reportedly preparing to launch a revamped version of its popular service that will allow users to quickly submit "instant" Diggs without logging in.