Cern at 60 in 60 seconds

It asks the big questions about the Big Bang, dark matter and black holes, and the European Organisation for Nuclear Research (or Conseil Europeen pour la Recherche Nucleaire, better known as Cern) is celebrating a big landmark as it marks its 60th birthday.

BBC News outlines Cern's 60-year history - in 60 seconds.

Video produced by Michael Hirst