Ultrasound 'making waves' for enhancing biofuel production

All chefs know that "you have to break some eggs to make an omelet," and that includes engineers at Iowa State University who are using high-frequency sound waves to break down plant materials in order to cook up a better ...

Panel calls for protecting world's largest forest

At least half of Canada's 1.4 billion acre boreal forest, the largest remaining intact wilderness on Earth, must be protected to maintain the area's current wildlife and ecological systems, according to a report by an international ...

Croaking chorus of Cuban frogs make noisy new neighbors

Human-produced noises from sources such as traffic and trains can substantially impact animals, affecting their ability to communicate, hunt, or even survive. But can the noise made by another animal have the same detrimental ...

New maps show how shipping noise spans the globe

The ocean is naturally filled with the sounds of breaking waves, cracking ice, driving rain, and marine animal calls, but more and more, human activity is adding to the noise. Ships' propellers create low-frequency hums that ...

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