Mexico City bets on tap water law to change habit

"Drink the water." It's a suggestion alien to Mexico City residents who have long shunned tap water in favor of the bottled kind and to the throngs of tourists who visit the city each year, bringing with them fears of "Montezuma's ...

World’s first commercial nanostructured bulk metal

When we think of structural materials, we usually imagine something big, strong and bulky, like steel beams in bridges and buildings, and while we are becoming familiar with composites reinforced with carbon nanotubes and ...

Predicting health risks of everyday chemicals

Concern over the safety of everyday household products, such as baby bottles and soaps, has spurred a wide-ranging research effort into predicting the health risks of tens of thousands of chemicals. That's the topic of the ...

Mexico City trash-for-food market helps clean city

On a recent rainy Sunday morning in a Mexico City neighborhood, people lined up under their umbrellas with bags of empty milk cartons, plastic bottles and cardboard at their feet.

Oil spill sullies river in Ecuador

A Petroecuador pipeline ruptured in Ecuador's Amazon basin region, spilling 10,000 barrels of crude into a river and alarming locals left without fresh well water, authorities said Monday.

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