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Around the world, patients acquire new infections simply from spending time in a hospital. One way to fight back: replacing hospital bed rails with copper, a natural infection-killer.

Two Native American authors tackle the perpetual challenge of combating ignorance, stereotypes and the notion that there's such a thing as a "real" Indian.

Des Moines, Iowa, wants to control nitrate pollution — often called fertilizer runoff — in nearby rivers. But the best way to reduce it involves planting different crops, not using less fertilizer.

A new generation of cheese-makers is culturing the milk of nuts like almond and cashew with bacteria. The idea is to give the cheese more umami taste than what many other vegan products have.

A respected scientific group says that glyphosate, also known as Roundup, is "probably carcinogenic to humans." Yet the actual risks — which are mainly to farmers, not consumers — remain uncertain.

"Local" food makes up a small fraction of what Americans eat. But a recent study argues that 90 percent of people living in cities could be fed with food grown within 100 miles.

Scientists are trying to predict what might happen if genetically modified salmon escaped growth facilities. It's a scenario often raised by critics who don't want the FDA to approve sale of the fish.

Corey Knowlton of Dallas won an auction last January for a hunting permit that would allow him to kill a black rhino weighing about 3,000 pounds.

China and the U.S. account for more than a third of greenhouse gases — making it vital that any broad climate plans include the pair.

Taking renewable energy to the streetsOne of the stops on Saturday’s self-guided tour of renewable energy sites in Onondaga County is the nine electric…