Earlier this week, truck manufacturer Paccar ( PCAR) said its customers are choosing to hold onto aging trucks for a longer period of time, rather than replace them.

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The cellular telecommunications industry is entering a period of transition from aging, analog-era transmission technology to high-speed "third-generation" (3G) mobile networks.

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Whether any company flourishes or fails in the volatile period of transition between an aging Second Industrial Revolution and the emerging Third Industrial Revolution will depend, to a great extent, on their energy costs.

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If you have an aging parent who may be vulnerble to criminal activity in this open enrollment period, you can help by being sure your loved one is aware of these tricks.

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Jeffrey Keller, a professor at Pennington Biomedical Research Center in Baton Rouge, Louisiana, who studies aging, metabolism, and neurodegeneration, agreed that seeing results after such a relatively short period of calorie restriction was surprising.

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