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While privacy worries are frustrating the Pentagon's plans for a far-reaching database to combat...

States that have not adopted the latest energy-efficiency standard for commercial buildings are

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Scientists are using ever more complex models running on ever more powerful computers to simulate the

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Detecting contaminants and dangerous materials often hinges on the quality of the samples gathered...

Nucleic acid sequencing methods, which determine the order of nucleotides in DNA fragments, are

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