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By Katherine Bourzac of Nature magazine Bits of data travelling the internet have a tough commute -- they bounce back and forth between optical signal lines for efficient transmission and electrical signal lines for processing. [More]

(PhysOrg.com) -- Physicists know that neutrinos (and antineutrinos) come in three flavors: electron, muon, and tau. In several experiments, researchers have detected each of the neutrino flavors and even watched them “oscillate” back and forth between flavors. But starting in the early ‘90s, some experiments have also revealed a nagging anomaly: muon antineutrinos oscillate into electron antineutrinos at a 3% higher rate than predicted.