Critics take aim at fast neutrinos

Lack of energy trail suggests finding was miscalculated

A new study puts the brakes on faster-than-light neutrinos.

In September, a group at Italy’s OPERA experiment reportedly clocked neutrinos traveling the 730 kilometers from CERN in Switzerland to Italy’s underground Gran Sasso National Laboratory about 60 nanoseconds faster than light would have covered that distance in a vacuum (SN: 10/22/11, p.