And he was forced into making early substitution when Callum Davidson had to go off with an injury, with Steven Whittaker replacing the full-back.

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Yet a roadblock to discovering new and better superconductors is the near impossibility of chemical substitution to introduce charge carriers into other families of large gap insulators.

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The dramatic turn in fortunes forced McClaren into a triple substitution, sending on Peter Crouch, Frank Lampard and Stewart Downing for Lescott, Cole and Shaun Wright-Phillips.

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The only other real victory for the Democrats was to hold on to New Jersey, vulnerable because of a last-minute candidate substitution, made necessary when the incumbent senator ran into trouble for ethics violations.

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As well as taking goal celebrations into account, the officials were entitled to add 30 seconds for United's stoppage-time substitution, when Michael Carrick come on for Anderson.

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