The Daya Bay Reactor Neutrino Experiment, a multinational collaboration
operating in the south of China, today reported the first results of its
search for the last, most elusive piece of a long-standing puzzle: how
is it that neutrinos can appear to vanish as they travel? The surprising
answer opens a gateway to a new understanding of fundamental physics
and may eventually solve the riddle of why there is far more ordinary
matter than antimatter in the universe today.
Read more here.