What stood out to me from watching the presentation was the incredible integrity of the physicists involved. The CMS group had 2 sets of data with > 5 sigma significance, but chose to also show weaker data that actually reduced the significance slightly. Consider the enormous effort spent to show that the result was not some background fluke - two separate detectors, running 2 completely different means of detection,…
A minor correction -- the tau neutrino wasn't discovered until 2000.