Another sign that Mr. Obama hasn't fundamentally changed America's political structure: Compared with 2008, there were 371, 800 fewer white votes cast in Ohio in 2012, when Mr. Obama carried the state by 166, 214 votes.

WSJ: Rove: About That 'Permanent Democratic Majority'

She also compared the structure and pattern of the fibres with those of modern animals and found that the species they most resembled was the emu also a bird and also, like T. rex, bipedal.

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So the probabilities of hitting a point structure like a power plant with a tornado drop precipitously compared to a hurricane, and the design basis for power plants varies accordingly.

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All engineering mumbo-jumbo aside, the resulting nanocone-tipped cells converted light-to-power with efficiency of 3.2% compared to 1.8% efficiency of conventional planar structure of the same materials.

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Creating the synthetic structure for the trachea in the current case took 10 to 12 days, compared with waiting months for an organ donor, Macchiarini said.

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