Japan will from January attempt to extract rare earth minerals from the ocean floor in the deepest trial of its kind, the director of a government innovation programme said Thursday. Earlier this week the country pledged to work with the United States, India and Australia to ensure a stable supply of critical minerals, as concern grows over China’s dominance in resources vital to new technologies. Rare earths — 17 metals difficult to extract from the Earth’s crust — are used in everything from electric vehicles to hard drives, wind turbines and missiles. China accounts for almost two-thirds of rare earth mining ... (full story)