When the head of the World Bank came to see the experiment, Mitra said he encouraged him to go to the New Delhi slum and see for himself.

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South African coach Ephraim Mashaba said he might use the second leg to experiment with a few new caps, after using five uncapped players in Saturday's match.

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Among them is the right to experiment and to share knowledge, he said.

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Volunteer Gabriel Dean said he was far more worried about another future threat forecast by the experiment, that one day criminals might be able to replicate DNA and place some at the scene of a crime.

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Mr. Barnet said he views the museum's tentative move into the 21st century as an experiment.

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