2012 Runner-Up: The Last Neutrino Mixing Angle

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In 2012, scientists at the Daya Bay Reactor Neutrino Experiment near Shenzhen, China were able to measure the last “mixing angle” that can be used to describe neutrinos. In this video, Science News Writer Adrian Cho talks about what this finding implies about the history of the universe and what makes it a Runner-Up for Breakthrough of the Year