Part of the evidence for that theory comes from the Whitehall study, a giant 20-year study of British civil servants conducted by Sir Michael Marmot of University College, London.

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Mr Watanabe arrived at the University of Glasgow in 1885 to study Engineering Sciences and graduated with a Civil Engineering and Bachelor of Science degree.

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The study of hip hop is not a repudiation of the civil rights movement.

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He aspired to study civil engineering and wanted to go to the University of California, Berkeley, like his dad.

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The findings were unchanged when the researchers took into consideration other factors, such as obesity and smoking, that could have influenced the results in the group of UK civil servants who were included in the study.

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The study, remember, argues that a doubling of the relative wages of civil servants is needed to reduce a country's score on the corruption index by a single unit.

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The study was based on data from more than 4, 600 London-based civil servants aged 35 to 55, of which 73% were men.

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Simon Washington, a civil-engineering professor at Queensland University of Technology in Brisbane, Australia, co-wrote a study for the Arizona Department of Transportation in 2005 that cited other work showing that extending yellow-light intervals can reduce red-light running by 50% to 70%.

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