RIM seeks probe into report on BlackBerry returns

The maker of the BlackBerry said Friday that it wants U.S. and Canadian regulators to investigate a "false and misleading" report by a financial analyst that claims the company's new smartphone is being returned in unusually ...

New methodology assesses risk of scarce metals

Yale researchers have developed a methodology for governments and corporations to determine the availability of critical metals, according to a paper in Environmental Science & Technology.

Predicting system crashes in nature and society

The world can deliver sudden and nasty shocks. Economies can crash, fisheries can collapse, and climates can pass tipping points. Providing early warning of such changes currently requires the collection of enormous and often ...

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