25/06/2014

Fracking flowback could pollute groundwater with heavy metals

The chemical makeup of wastewater generated by "hydrofracking" could cause the release of tiny particles in soils that often strongly bind heavy metals and pollutants, exacerbating the environmental risks during accidental ...

Peer problem solving leads to operational efficiency

Strength in numbers may not just be a truism for those seeking moral and emotional support, but it also may be an avenue for those seeking customer support. New research shows peer-to-peer problem solving can lessen the need ...

Mathematical models explain how a wrinkle becomes a crease

Wrinkles, creases and folds are everywhere in nature, from the surface of human skin to the buckled crust of the Earth. They can also be useful structures for engineers. Wrinkles in thin films, for example, can help make ...

US justices:'Get a warrant' to search cellphones (Update)

A unanimous U.S. Supreme Court ruled Wednesday that police generally may not search the cellphones of people they arrest without first getting search warrants in an emphatic defense of privacy in the digital age.

Curiosity travels through ancient glaciers on Mars

3,500 million years ago the Martian crater Gale, through which the NASA rover Curiosity is currently traversing, was covered with glaciers, mainly over its central mound. Very cold liquid water also flowed through its rivers ...

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