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Heavy-ion researchers seize their moment

    During the short heavy-ion run at the Large Hadron Collider at CERN, every moment counts. As one scientist puts it, experimenters have “four weeks to collect all the data we will use for the next three years.” The data arising from LHC’s collisions of heavy nuclei, such as lead, will be used to study the properties of a very hot and dense subatomic material called the quark-gluon plasma.

    Joel Butler elected AAAS fellow

    Butler was one of 416 AAAS members nominated this year as fellows by their peers. He was recognized for distinguished contributions to the field of experimental particle physics, particularly for pioneering experiments in heavy flavor physics, and the leadership of large international experimental collaborations. New fellows will be presented with an official certificate and a rosette pin on Saturday, Feb. 16, 2019, during the 2019 AAAS Annual Meeting in Washington, D.C.