CNRS
Conseil National de la Recherche Scientifique (National Centre for Scientific Research), France
Conseil National de la Recherche Scientifique (National Centre for Scientific Research), France
no hyphen
no hyphen
Do they take a singular or plural verb? It depends on the sense, but use singular where possible.
(no italics)
Common Muon and Proton Apparatus for Structure and Spectroscopy (NA58 experiment)
Acronym doesn’t need spelling out for the CERN Courier