We agreed to keep phasing out fossil fuel subsidies -- perhaps the single-most important step we can take in the near term to fight climate change and create clean-energy economies.

WHITEHOUSE: President Obama��s Press Conference on the G20 Summit

And in the current issue of Applied Physics Letters, a group led by Haroun Ahmed at the Hitachi Cambridge Laboratory in Britain reports another vital step, a single-electron transistor that, for the first time, amplifies its input signal (though only by a factor of 3.7, several hundred times more weakly than a conventional transistor does).

ECONOMIST: The transistor��s heir

When Lao-tzu said a journey of a thousand miles begins with a single step, implicitly he was telling you to take that first step.

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Now, no single step is the silver bullet that will reverse the damage done by the bubble-and-bust cycles that caused our economy into this slide.

WHITEHOUSE: President Obama Speaks on the Economy

The crisis has exposed acute new questions, such as how to marry Europe's cross-border single market for finance with the reality that only national governments can and will step in when things go wrong.

ECONOMIST: Charlemagne

Spider is a step toward AMD's goal of putting high-end graphics capabilities on a single slice of silicon with its processors, a project AMD has dubbed Fusion.

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