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Brian Cox: "Great day in the history of science"

4 July 2012 Last updated at 12:44 BST

Professor Brian Cox reacted with delight to the news that physicists at Cern have discovered a new particle consistent with the Higgs boson.

Professor Cox told the BBC the discovery was a significant moment in the history of science and a vindication of the work carried out with the Large Hadron Collider.