Researchers observe bacteria behaving badly

A University of Alberta research team has made an important discovery about how medical devices like heart stents and catheters can become clogged by bacteria.

Justices seem divided over EPA mercury limits (Update)

The Supreme Court's conservative justices cast doubt Wednesday on the Obama administration's first-ever regulations aimed at reducing power plant emissions of mercury and other hazardous air pollutants that contribute to ...

Several "new" craters found in Siberia

At least seven newly created mysterious craters have now been officially discovered in Siberia, though satellite imagery suggests there may be as many as 20. The discovery of the first three last year caused a small media ...

Team studies DNA preservation in mass disasters

To help identify victims after mass disasters, such as hurricanes, tsunamis, terrorist attacks, wars or acts of genocide, researchers at Sam Houston State University will investigate new techniques to preserve tissue samples ...

Canada uses drones to drive away geese

Canada's capital has ordered drone strikes to rid a popular Ottawa beach of pesky geese that dirty the waters with fecal matter, demonstrating on Wednesday how it works.

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