…like the even more renowned hypothetical construct, the Higgs boson, which is the current Grail sought by particle physicists. CERN probably is the best bet in discovering it.
That particular Grail is no longer current, for the Higgs boson
was actually discovered at CERN’s LHC on July 4, 2012, and
confirmed two years later. I'm not sure what the new 'Grail' is.