Soon after the general election of 2005, Lord Ashcroft published a study showing that voters were repelled by the party's image rather than its policies.

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While some improvements have been made since that first image of pentacene, lead author of the Science study, Leo Gross, told BBC News that the new work was mostly down to a choice of subject.

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The image of cereal bars as a healthy snack is a "myth", according to a study by Which?

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The government buildings may have moved but the city, renamed Luang Prabang when the royal image of Buddha, the Pra Bang, took up residence there, remains the nucleus of Buddhist study in the country.

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