Scarcity of elements in products like smartphones needs addressing, say scientists
Many of today's technological innovations from the iPhone to electric motors for hybrid cars require the use of materials—elements—that are scarce or difficult to obtain. As demand for these devices grows, the problem ...
WTO upholds 'rare earth' ruling against China (Update)
The World Trade Organization has upheld a ruling that China violated trade rules with restrictions on the export of "rare earths," the minerals used in mobile phones, hybrid cars and other high-tech products.