GENEVA, June 14: Physicists investigating the make-up of the universe are closing in on the Higgs boson, an elusive particle thought to have been key to turning debris from the Big Bang into stars, planets and finally life, scientists said on Tuesday. Researchers at the European Organization for Nuclear Research (CERN) are using their large Hadron Collider (LHC), the world’s biggest particle accelerator, to try to prove that the mystery particle really exists. (agencies)