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Physicists Say They Have Evidence For A New Fundamental Particle

Detectors inside MiniBooNE experiment
Courtesy Fermilab
Detectors inside MiniBooNE experiment

Copyright 2018 NPR

Joe Palca is a science correspondent for NPR. Since joining NPR in 1992, Palca has covered a range of science topics — everything from biomedical research to astronomy. He is currently focused on the eponymous series, "Joe's Big Idea." Stories in the series explore the minds and motivations of scientists and inventors. Palca is also the founder of NPR Scicommers – A science communication collective.