Switzerland

From Live Science, June 4, 2018: Fermilab scientist Don Lincoln writes about two new results on how scientists found the Higgs boson popping up along with the heaviest particle ever discovered. The results could help us better understand one of the most fundamental problems in physics ­— why matter has mass.

From Live Science, June 4, 2018: The Higgs boson appeared again at the world’s largest atom smasher — this time, alongside a top quark and an antitop quark, the heaviest known fundamental particles.

The ProtoDUNE detector is being assembled at the European laboratory CERN. Photo: Maximilien Brice, CERN

The ProtoDUNE detectors for the Deep Underground Neutrino Experiment are behemoths in their own right.