30/11/2009

Sprint to stop selling certain push-to-talk phones

(AP) -- Sprint Nextel Corp. is giving up on a technology that allows some Sprint-branded phones to use a "push-to-talk" walkie-talkie service similar to what's available on the company's Nextel-branded phones.

Microscopy reveals structure of calcite shells

(PhysOrg.com) -- Lara Estroff and colleagues have taken a deep, detailed look at the way lab-created calcite crystals, similar to those found in nature, grow in tandem with proteins and other large molecules.

Superior Super Earths

Super Earths are named for their size, but these planets - which range from about 2 to 10 Earth masses - could be superior to the Earth when it comes to sustaining life. They could also provide an answer to the ‘Fermi Paradox’: ...

Making sense of greenhouse gas accounting

Waste management is increasingly gaining the recognition that it deserves as a major contributor to mitigating climate change. But with at least four different methods of accounting for greenhouse gas (GHG) emissions currently ...

Gift Guide: Adventures in the video game aisle

(AP) -- The video game aisle can be intimidating for aspiring Santas who haven't touched a joystick since "Pong." But it has something for everyone: riveting solo adventures, online multiplayer battles and fun-for-the-whole-family ...

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