Scientists discover comet's hourglass-shaped dust trail

Researchers from Finland, Canada, and Russia have discovered an unusual, hourglass-shaped dust trail of the comet 17P/Holmes. The particles that formed the dust trail were released by the most powerful of the thus-far documented ...

Limits for mountain trail use identified

A new study on human impact to wildlife in some of Canada's most popular national parks has identified limits at which trails can be used before ecological disturbance takes place. The study led by University of Calgary Masters ...

Group recommends stricter noise levels for Michigan wind farms

As the call for alternative energy grows louder in Michigan and more communities consider wind farms, a group led by a pair of Michigan State University professors has issued a report calling for stricter regulations on noise ...

Predicting which African storms will intensify into hurricanes

Hurricanes require moisture, the rotation of the earth, and warm ocean temperatures to grow from a mere atmospheric disturbance into a tropical storm. But where do these storm cells originate, and exactly what makes an atmospheric ...

Scoping magnetic fields out for prevention

Concerns about the effects of magnetic fields on human health require careful monitoring of our exposure to them. Mandatory exposure limits have been defined for electric and hybrid vehicle architectures, in domestic and ...

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