Scientists at the Large Hadron Collider claim the discovery of the Higgs boson particle. Alan Barr of Oxford's Physics department, UK physics coordinator for LHC's ATLAS experiment, describes what it means for science. Creative Commons Attribution-Non-Commercial-Share Alike 2.0 UK: England &...

Dr Alan Barr, University Lecturer in the Particle Physics group in the University of Oxford's Department of Physics, discusses the particle physics experiments at the Large Hadron Collider, CERN, Switzerland.