Raising the petrol tax is political poison, so Congress has hit upon a drearily predictable solution: to take the money from somewhere else.

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"All we're doing is adapting what nature has hit upon a very good way of storing information, " said Nick Goldman, a computational biologist at the European Bioinformatics Institute in Hinxton, England, and lead author of the Nature paper.

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And now people ask: What magic have we hit upon that has enabled us to become a national model for educating students of all races in a wide range of disciplines?

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Now, a quarter of a century later, he has gravitated toward the commodities and has hit upon the following formula: Monitor fundamentals such as economic news for the overall trend, then use technicals with an emphasis on moving averages to pick entry and exit points.

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