Mystery of curling paper solved

Although mankind has been using paper for at least 2,000 years, it still presents us with one or two mysteries. For example, it was previously unknown why paper printed on one side using inkjet printing starts to curl up ...

Researchers harness the sun to produce hydrogen gas from water

A team of chemistry researchers at the University of North Carolina at Chapel Hill has developed a unique approach to harnessing the sun's energy to produce hydrogen gas, a potential clean energy source, from water, according ...

New model clarifies why water freezes at a range of temperatures

From abstract-looking cloud formations to roars of snow machines on ski slopes, the transformation of liquid water into solid ice touches many facets of life. Water's freezing point is generally accepted to be 32 degrees ...

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