20/12/2010

Ocean acidification changes nitrogen cycling in world seas

Increasing acidity in the sea's waters may fundamentally change how nitrogen is cycled in them, say marine scientists who published their findings in this week's issue of the journal Proceedings of the National Academy of ...

Research shows that environmental factors limit species diversity

It's long been accepted by biologists that environmental factors cause the diversity -- or number -- of species to increase before eventually leveling off. Some recent work, however, has suggested that species diversity continues ...

Using composites for traffic bridges could save time and money

Extensive use of advanced composite materials – glass and /or carbon fibre reinforced polymers – could be the answer to building bridges in half the time, thereby dramatically reducing costs and traffic flow disruption ...

Qualcomm shuts FLO TV, sells spectrum to AT&T

US technology company Qualcomm, after pulling the plug on its FLO TV service, announced Monday it was selling its US wireless spectrum licenses to telecom giant AT&T for over 1.9 billion dollars.

Volunteers to hunt for 'lost planets'

(PhysOrg.com) -- The public are being asked to help Oxford University astronomers find planets orbiting other stars which may have been 'lost' in the data from over 100,000 stars. Volunteers could even find 'Earth-like' alien ...

Image: Sotra Facula, Titan

Based on data from NASA's Cassini spacecraft, this image shows an area of Saturn's moon Titan, known as Sotra Facula.

New Google TV sets facing delays: reports

Google has asked several television makers to delay their launch of sets featuring Google TV, which merges online content with traditional TV programming, newspapers reported on Monday.

Meat-eating dinosaurs not so carnivorous after all

Field Museum scientists used statistical analyses to determine the diet of 90 species of theropod dinosaurs. Their results challenge the conventional view that nearly all theropods hunted prey, especially those closest to ...

Waterways contribute to growth of potent greenhouse gas

Nitrous oxide, a potent greenhouse gas, has increased by more than 20 percent over the last century, and nitrogen in waterways is fueling part of that growth, according to a Michigan State University study.

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