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“Useless” items become prime building materials in Mr. Phillips’ brilliant creations.

Spanish researchers combine paper pulp and wastewater sludge to create the world’s newest sturdy building material.

Output will be extended for another month in an attempt to stem falling rare earth prices.

Rare earth metal prices are driving down the cost of LEDs, and changing the makeup of the lighting market dramatically.

A seabed off of Japan holds rare earth deposits equivalent to more than 200 times what Japan needs a year.