The puzzle of neutrinos, seventy years on
Theorised in 1930 and discovered in 1956, the elusive neutrino still keeps many of its secrets, inspiring research efforts at CERN and around the worldSeventy years ago today, Clyde Cowan, Frederick Reines and their colleagues closed a quarter-century hunt with a paper in Science, having caught neutrinos streaming out of a nuclear reactor in South Carolina. The search had begun in December 1930, w
July 23, 2026