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Sprint is reportedly cutting 2,500 jobs, including 2,000 in customer service, but the company told Ars that subscribers won't actually see any decline in customer service quality. "These changes will not impact the level of service we provide to our customers," a Sprint spokesperson told Ars today.

Sprint said it has already boosted "self-service and digital care tools," helping to lower its churn rate (the percentage of subscribers who leave). "In addition, we have made changes in service assurance that have now resulted in our lowest ticket levels and fastest repair times in the last three years," Sprint said.

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Calories consumed minus calories burned—it’s the simple formula for weight loss or gain, but dieters often find that it doesn’t work. Cynthia Graber and Nicola Twilley of Gastropod investigate for Mosaic science, where this story first appeared. It's republished here under a Creative Commons license.

“For me, a calorie is a unit of measurement that’s a real pain in the rear.”

Bo Nash is 38. He lives in Arlington, Texas, where he’s a technology director for a textbook publisher. He has a wife and child. And he’s 5’10” and 245 lbs—which means he is classed as obese.

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Electronics giant Sony has formed Sony Interactive Entertainment LLC (SIE), a new company that combines Sony Computer Entertainment (PlayStation hardware and software) with Sony Network Entertainment (services like PlayStation Vue and the PlayStation Store).

That these were separate companies at all has always been odd given the close relationship between the two, but perhaps the most interesting part of SIE's formation is that it won't be headquartered in Sony's home country of Japan. SIE will be based in San Mateo, California, with Andrew House—the current president and CEO of Sony Computer Entertainment Inc. in Tokyo—serving as its CEO. Sony Corporation CEO Kazuo Hirai will sit on the board.

It's no secret that videogame sales in Japan have been on the decline—2014 saw its console market drop to its lowest point in 24 years. Notably, its top ten selling games for the year were for Nintendo platforms, eight of which were on 3DS, reflecting Japan's preference for handheld and mobile gaming. Meanwhile, the PlayStation 4 continues to fly off Western shelves. Sony has sold 35 million units to date, far outpacing the sales performance of the PS2, the best-selling console of all time.

Renewable energy is generally limited by the weather. Wind, solar, and hydroelectric are all sensitive to the local conditions. Given that the US doesn't have a national electric grid, that means they're very intermittent; if the sun's not shining in California, then the golden state doesn't get much photovoltaic power.

Expanding the source of power over much larger regions can overcome the weather dependence; it's essentially unheard of for the entire US to be experiencing low-wind conditions. But this runs up against the structural limits of the US grid, where shifting power over large distances is either impossible or highly inefficient.

A new study released Monday looks into what would happen if that limitation were eliminated. It envisions a massive web of high-voltage, direct-current transmission lines, hooked up to 32 nodes spread across the US. This allows a massive spread of renewable power that could be dispatched anywhere in the nation. The result is a grid with dramatically lower carbon emissions and the bonus of lower costs to consumers.